Finding the Fourth Proportional to 675.50, 1,013.69 and 329.00

Step by Step Solution

1. Step 1: Write the proportion equation
   675.50 : 1,013.69 = 329.00 : x
2. Step 2: Convert to fraction form
   675.50/1,013.69 = 329.00/x
3. Step 3: Cross multiply
   675.50x = 1,013.69 × 329.00
4. Step 4: Simplify right side
   675.50x = 333,499.76
5. Step 5: Solve for x
   x = 333,499.76/675.50
6. Step 6: Final answer
   x = 493.71