Finding the Fourth Proportional to 162.72, 224.46 and 151.59

Step by Step Solution

1. Step 1: Write the proportion equation
   162.72 : 224.46 = 151.59 : x
2. Step 2: Convert to fraction form
   162.72/224.46 = 151.59/x
3. Step 3: Cross multiply
   162.72x = 224.46 × 151.59
4. Step 4: Simplify right side
   162.72x = 34,025.89
5. Step 5: Solve for x
   x = 34,025.89/162.72
6. Step 6: Final answer
   x = 209.11