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Finding the Fourth Proportional to 95.03, 131.13 and 62.22

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Solution

The fourth proportional to 95.03, 131.13 and 62.22 is: 85.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.03 : 131.13 = 62.22 : x
  2. Step 2: Convert to fraction form
    95.03/131.13 = 62.22/x
  3. Step 3: Cross multiply
    95.03x = 131.13 × 62.22
  4. Step 4: Simplify right side
    95.03x = 8,158.91
  5. Step 5: Solve for x
    x = 8,158.91/95.03
  6. Step 6: Final answer
    x = 85.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.