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Finding the Fourth Proportional to 67.63, 101.49 and 24.88

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Solution

The fourth proportional to 67.63, 101.49 and 24.88 is: 37.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.63 : 101.49 = 24.88 : x
  2. Step 2: Convert to fraction form
    67.63/101.49 = 24.88/x
  3. Step 3: Cross multiply
    67.63x = 101.49 × 24.88
  4. Step 4: Simplify right side
    67.63x = 2,524.44
  5. Step 5: Solve for x
    x = 2,524.44/67.63
  6. Step 6: Final answer
    x = 37.33

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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.