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Finding the Fourth Proportional to 68.13, 101.97 and 37.24

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Solution

The fourth proportional to 68.13, 101.97 and 37.24 is: 55.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.13 : 101.97 = 37.24 : x
  2. Step 2: Convert to fraction form
    68.13/101.97 = 37.24/x
  3. Step 3: Cross multiply
    68.13x = 101.97 × 37.24
  4. Step 4: Simplify right side
    68.13x = 3,796.85
  5. Step 5: Solve for x
    x = 3,796.85/68.13
  6. Step 6: Final answer
    x = 55.73

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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.