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Finding the Fourth Proportional to 63.03, 93.88 and 59.91

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Solution

The fourth proportional to 63.03, 93.88 and 59.91 is: 89.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.03 : 93.88 = 59.91 : x
  2. Step 2: Convert to fraction form
    63.03/93.88 = 59.91/x
  3. Step 3: Cross multiply
    63.03x = 93.88 × 59.91
  4. Step 4: Simplify right side
    63.03x = 5,624.35
  5. Step 5: Solve for x
    x = 5,624.35/63.03
  6. Step 6: Final answer
    x = 89.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.