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Finding the Fourth Proportional to 373.62, 516.12 and 249.54

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Solution

The fourth proportional to 373.62, 516.12 and 249.54 is: 344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.62 : 516.12 = 249.54 : x
  2. Step 2: Convert to fraction form
    373.62/516.12 = 249.54/x
  3. Step 3: Cross multiply
    373.62x = 516.12 × 249.54
  4. Step 4: Simplify right side
    373.62x = 128,792.58
  5. Step 5: Solve for x
    x = 128,792.58/373.62
  6. Step 6: Final answer
    x = 344.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.