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Finding the Fourth Proportional to 83.44, 125.24 and 44.98

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Solution

The fourth proportional to 83.44, 125.24 and 44.98 is: 67.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83.44 : 125.24 = 44.98 : x
  2. Step 2: Convert to fraction form
    83.44/125.24 = 44.98/x
  3. Step 3: Cross multiply
    83.44x = 125.24 × 44.98
  4. Step 4: Simplify right side
    83.44x = 5,633.30
  5. Step 5: Solve for x
    x = 5,633.30/83.44
  6. Step 6: Final answer
    x = 67.51

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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.