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Finding the Fourth Proportional to 97.47, 134.42 and 60.62

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Solution

The fourth proportional to 97.47, 134.42 and 60.62 is: 83.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.47 : 134.42 = 60.62 : x
  2. Step 2: Convert to fraction form
    97.47/134.42 = 60.62/x
  3. Step 3: Cross multiply
    97.47x = 134.42 × 60.62
  4. Step 4: Simplify right side
    97.47x = 8,147.57
  5. Step 5: Solve for x
    x = 8,147.57/97.47
  6. Step 6: Final answer
    x = 83.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.