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Finding the Fourth Proportional to 63.01, 94.34 and 57.97

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Solution

The fourth proportional to 63.01, 94.34 and 57.97 is: 86.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.01 : 94.34 = 57.97 : x
  2. Step 2: Convert to fraction form
    63.01/94.34 = 57.97/x
  3. Step 3: Cross multiply
    63.01x = 94.34 × 57.97
  4. Step 4: Simplify right side
    63.01x = 5,468.60
  5. Step 5: Solve for x
    x = 5,468.60/63.01
  6. Step 6: Final answer
    x = 86.79

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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.