Finding the Fourth Proportional to 443.25, 611.82 and 327.15

Step by Step Solution

1. Step 1: Write the proportion equation
   443.25 : 611.82 = 327.15 : x
2. Step 2: Convert to fraction form
   443.25/611.82 = 327.15/x
3. Step 3: Cross multiply
   443.25x = 611.82 × 327.15
4. Step 4: Simplify right side
   443.25x = 200,156.91
5. Step 5: Solve for x
   x = 200,156.91/443.25
6. Step 6: Final answer
   x = 451.57