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Finding the Fourth Proportional to 63.97, 95.82 and 60.12

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Solution

The fourth proportional to 63.97, 95.82 and 60.12 is: 90.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.97 : 95.82 = 60.12 : x
  2. Step 2: Convert to fraction form
    63.97/95.82 = 60.12/x
  3. Step 3: Cross multiply
    63.97x = 95.82 × 60.12
  4. Step 4: Simplify right side
    63.97x = 5,760.94
  5. Step 5: Solve for x
    x = 5,760.94/63.97
  6. Step 6: Final answer
    x = 90.06

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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.