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Finding the Fourth Proportional to 41.27, 62.19 and 38.66

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Solution

The fourth proportional to 41.27, 62.19 and 38.66 is: 58.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.27 : 62.19 = 38.66 : x
  2. Step 2: Convert to fraction form
    41.27/62.19 = 38.66/x
  3. Step 3: Cross multiply
    41.27x = 62.19 × 38.66
  4. Step 4: Simplify right side
    41.27x = 2,403.95
  5. Step 5: Solve for x
    x = 2,403.95/41.27
  6. Step 6: Final answer
    x = 58.26

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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.