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Finding the Fourth Proportional to 62.27, 93.26 and 38.15

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Solution

The fourth proportional to 62.27, 93.26 and 38.15 is: 57.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.27 : 93.26 = 38.15 : x
  2. Step 2: Convert to fraction form
    62.27/93.26 = 38.15/x
  3. Step 3: Cross multiply
    62.27x = 93.26 × 38.15
  4. Step 4: Simplify right side
    62.27x = 3,557.50
  5. Step 5: Solve for x
    x = 3,557.50/62.27
  6. Step 6: Final answer
    x = 57.13

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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.