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Finding the Fourth Proportional to 63.39, 94.84 and 54.93

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Solution

The fourth proportional to 63.39, 94.84 and 54.93 is: 82.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.39 : 94.84 = 54.93 : x
  2. Step 2: Convert to fraction form
    63.39/94.84 = 54.93/x
  3. Step 3: Cross multiply
    63.39x = 94.84 × 54.93
  4. Step 4: Simplify right side
    63.39x = 5,209.25
  5. Step 5: Solve for x
    x = 5,209.25/63.39
  6. Step 6: Final answer
    x = 82.17

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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.