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Finding the Fourth Proportional to 97.01, 133.89 and 60.16

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Solution

The fourth proportional to 97.01, 133.89 and 60.16 is: 83.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.01 : 133.89 = 60.16 : x
  2. Step 2: Convert to fraction form
    97.01/133.89 = 60.16/x
  3. Step 3: Cross multiply
    97.01x = 133.89 × 60.16
  4. Step 4: Simplify right side
    97.01x = 8,053.85
  5. Step 5: Solve for x
    x = 8,053.85/97.01
  6. Step 6: Final answer
    x = 83.03

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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.