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Finding the Fourth Proportional to 242.73, 336.32 and 237.54

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Solution

The fourth proportional to 242.73, 336.32 and 237.54 is: 329.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.73 : 336.32 = 237.54 : x
  2. Step 2: Convert to fraction form
    242.73/336.32 = 237.54/x
  3. Step 3: Cross multiply
    242.73x = 336.32 × 237.54
  4. Step 4: Simplify right side
    242.73x = 79,889.45
  5. Step 5: Solve for x
    x = 79,889.45/242.73
  6. Step 6: Final answer
    x = 329.13

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.