Finding the Fourth Proportional to 329.34, 493.82 and 158.34

Step by Step Solution

1. Step 1: Write the proportion equation
   329.34 : 493.82 = 158.34 : x
2. Step 2: Convert to fraction form
   329.34/493.82 = 158.34/x
3. Step 3: Cross multiply
   329.34x = 493.82 × 158.34
4. Step 4: Simplify right side
   329.34x = 78,191.46
5. Step 5: Solve for x
   x = 78,191.46/329.34
6. Step 6: Final answer
   x = 237.42