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Finding the Fourth Proportional to 247.29, 372.24 and 224.97

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Solution

The fourth proportional to 247.29, 372.24 and 224.97 is: 338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.29 : 372.24 = 224.97 : x
  2. Step 2: Convert to fraction form
    247.29/372.24 = 224.97/x
  3. Step 3: Cross multiply
    247.29x = 372.24 × 224.97
  4. Step 4: Simplify right side
    247.29x = 83,740.97
  5. Step 5: Solve for x
    x = 83,740.97/247.29
  6. Step 6: Final answer
    x = 338.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.