Finding the Fourth Proportional to 162.53, 243.78 and 153.01

Step by Step Solution

1. Step 1: Write the proportion equation
   162.53 : 243.78 = 153.01 : x
2. Step 2: Convert to fraction form
   162.53/243.78 = 153.01/x
3. Step 3: Cross multiply
   162.53x = 243.78 × 153.01
4. Step 4: Simplify right side
   162.53x = 37,300.78
5. Step 5: Solve for x
   x = 37,300.78/162.53
6. Step 6: Final answer
   x = 229.50