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Finding the Fourth Proportional to 67.97, 101.93 and 33.73

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Solution

The fourth proportional to 67.97, 101.93 and 33.73 is: 50.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.97 : 101.93 = 33.73 : x
  2. Step 2: Convert to fraction form
    67.97/101.93 = 33.73/x
  3. Step 3: Cross multiply
    67.97x = 101.93 × 33.73
  4. Step 4: Simplify right side
    67.97x = 3,437.68
  5. Step 5: Solve for x
    x = 3,437.68/67.97
  6. Step 6: Final answer
    x = 50.57

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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.