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Finding the Fourth Proportional to 63.25, 95.38 and 59.47

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Solution

The fourth proportional to 63.25, 95.38 and 59.47 is: 89.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.25 : 95.38 = 59.47 : x
  2. Step 2: Convert to fraction form
    63.25/95.38 = 59.47/x
  3. Step 3: Cross multiply
    63.25x = 95.38 × 59.47
  4. Step 4: Simplify right side
    63.25x = 5,671.86
  5. Step 5: Solve for x
    x = 5,671.86/63.25
  6. Step 6: Final answer
    x = 89.68

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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.