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Finding the Fourth Proportional to 63.11, 94.12 and 58.85

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Solution

The fourth proportional to 63.11, 94.12 and 58.85 is: 87.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.11 : 94.12 = 58.85 : x
  2. Step 2: Convert to fraction form
    63.11/94.12 = 58.85/x
  3. Step 3: Cross multiply
    63.11x = 94.12 × 58.85
  4. Step 4: Simplify right side
    63.11x = 5,539.05
  5. Step 5: Solve for x
    x = 5,539.05/63.11
  6. Step 6: Final answer
    x = 87.78

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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.