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Finding the Fourth Proportional to 63.14, 95.14 and 57.26

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Solution

The fourth proportional to 63.14, 95.14 and 57.26 is: 86.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.14 : 95.14 = 57.26 : x
  2. Step 2: Convert to fraction form
    63.14/95.14 = 57.26/x
  3. Step 3: Cross multiply
    63.14x = 95.14 × 57.26
  4. Step 4: Simplify right side
    63.14x = 5,447.72
  5. Step 5: Solve for x
    x = 5,447.72/63.14
  6. Step 6: Final answer
    x = 86.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.