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Finding the Fourth Proportional to 48.80, 67.25 and 44.14

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Solution

The fourth proportional to 48.80, 67.25 and 44.14 is: 60.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.80 : 67.25 = 44.14 : x
  2. Step 2: Convert to fraction form
    48.80/67.25 = 44.14/x
  3. Step 3: Cross multiply
    48.80x = 67.25 × 44.14
  4. Step 4: Simplify right side
    48.80x = 2,968.42
  5. Step 5: Solve for x
    x = 2,968.42/48.80
  6. Step 6: Final answer
    x = 60.83

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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.