ADC value displaying to LCD as voltage

void value_coverter(unsigned int adc_value)
{   unsigned char temp[8];
    vout = adc_value * 0.00488;
    int_value = vout;   // only decimal part 
    vout = vout - int_value; // for only fractional part 
    temp[0] = int_value /10; // saving first decimal digit
    temp[1]  = int_value % 10; // saving second digit
    temp[2]  = '.';  // point
    vout = vout * 100; // making fractional part to decimal 
    temp[3] = vout /10;
    //temp[4] = vout % 10;
    for(int i=0; i<4; i++)    
    lcd_data(temp[i]+0x38);    
}

float Vout;
.....

Vout= (float) Adc_value * 0.488;
int_Vout=(unsigned int) Vout;
.. etc ..

float POS9V_Measure (void)
{
	return ((float)ADC_Get_Result(POS9V_MES) * ((R9 + R10) / R10) * VDD) / ADC_RESOLUTION;
}

 float vout;
 unsigned int adc_value;
 unsigned int value;

  void value_converter(unsigned int adc_value)
{   unsigned char temp[8];
    vout = (float) adc_value * 0.488;
    value = (unsigned int) vout;   // only decimal part
       temp[0] =  value/100+48;   //Add 48 to get the ASCII character
       temp[1]='.' ;
       temp[2] = ( value/10)%10+48;
       temp[3] =  value % 10 +48;
       LCD_Write_Text(1,1,temp) ;
     
}


//the test 
  
   LCD_CLS();
   for (i=0;i<1023;i=i+16)
   {
   value_converter(i);
   Delay_ms(500);
   }
   while(1);