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Finding the Fourth Proportional to 67.57, 93.25 and 44.25

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Solution

The fourth proportional to 67.57, 93.25 and 44.25 is: 61.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.57 : 93.25 = 44.25 : x
  2. Step 2: Convert to fraction form
    67.57/93.25 = 44.25/x
  3. Step 3: Cross multiply
    67.57x = 93.25 × 44.25
  4. Step 4: Simplify right side
    67.57x = 4,126.61
  5. Step 5: Solve for x
    x = 4,126.61/67.57
  6. Step 6: Final answer
    x = 61.08

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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.