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Finding the Fourth Proportional to 63.53, 94.87 and 49.85

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Solution

The fourth proportional to 63.53, 94.87 and 49.85 is: 74.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.53 : 94.87 = 49.85 : x
  2. Step 2: Convert to fraction form
    63.53/94.87 = 49.85/x
  3. Step 3: Cross multiply
    63.53x = 94.87 × 49.85
  4. Step 4: Simplify right side
    63.53x = 4,729.27
  5. Step 5: Solve for x
    x = 4,729.27/63.53
  6. Step 6: Final answer
    x = 74.44

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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.