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Finding the Fourth Proportional to 546.48, 818.36 and 372.50

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Solution

The fourth proportional to 546.48, 818.36 and 372.50 is: 557.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.48 : 818.36 = 372.50 : x
  2. Step 2: Convert to fraction form
    546.48/818.36 = 372.50/x
  3. Step 3: Cross multiply
    546.48x = 818.36 × 372.50
  4. Step 4: Simplify right side
    546.48x = 304,839.10
  5. Step 5: Solve for x
    x = 304,839.10/546.48
  6. Step 6: Final answer
    x = 557.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.