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Finding the Fourth Proportional to 82.44, 123.44 and 63.27

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Solution

The fourth proportional to 82.44, 123.44 and 63.27 is: 94.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.44 : 123.44 = 63.27 : x
  2. Step 2: Convert to fraction form
    82.44/123.44 = 63.27/x
  3. Step 3: Cross multiply
    82.44x = 123.44 × 63.27
  4. Step 4: Simplify right side
    82.44x = 7,809.73
  5. Step 5: Solve for x
    x = 7,809.73/82.44
  6. Step 6: Final answer
    x = 94.73

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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.