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Finding the Fourth Proportional to 63.27, 94.42 and 56.44

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Solution

The fourth proportional to 63.27, 94.42 and 56.44 is: 84.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.27 : 94.42 = 56.44 : x
  2. Step 2: Convert to fraction form
    63.27/94.42 = 56.44/x
  3. Step 3: Cross multiply
    63.27x = 94.42 × 56.44
  4. Step 4: Simplify right side
    63.27x = 5,329.15
  5. Step 5: Solve for x
    x = 5,329.15/63.27
  6. Step 6: Final answer
    x = 84.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.