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Finding the Fourth Proportional to 63.06, 94.68 and 58.38

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Solution

The fourth proportional to 63.06, 94.68 and 58.38 is: 87.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.06 : 94.68 = 58.38 : x
  2. Step 2: Convert to fraction form
    63.06/94.68 = 58.38/x
  3. Step 3: Cross multiply
    63.06x = 94.68 × 58.38
  4. Step 4: Simplify right side
    63.06x = 5,527.42
  5. Step 5: Solve for x
    x = 5,527.42/63.06
  6. Step 6: Final answer
    x = 87.65

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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.