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Finding the Fourth Proportional to 546.52, 754.68 and 372.28

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Solution

The fourth proportional to 546.52, 754.68 and 372.28 is: 514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.52 : 754.68 = 372.28 : x
  2. Step 2: Convert to fraction form
    546.52/754.68 = 372.28/x
  3. Step 3: Cross multiply
    546.52x = 754.68 × 372.28
  4. Step 4: Simplify right side
    546.52x = 280,952.27
  5. Step 5: Solve for x
    x = 280,952.27/546.52
  6. Step 6: Final answer
    x = 514.08

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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.