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Finding the Fourth Proportional to 97.49, 146.24 and 63.27

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Solution

The fourth proportional to 97.49, 146.24 and 63.27 is: 94.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.49 : 146.24 = 63.27 : x
  2. Step 2: Convert to fraction form
    97.49/146.24 = 63.27/x
  3. Step 3: Cross multiply
    97.49x = 146.24 × 63.27
  4. Step 4: Simplify right side
    97.49x = 9,252.29
  5. Step 5: Solve for x
    x = 9,252.29/97.49
  6. Step 6: Final answer
    x = 94.91

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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.