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Finding the Fourth Proportional to 133.91, 200.10 and 95.18

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Solution

The fourth proportional to 133.91, 200.10 and 95.18 is: 142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.91 : 200.10 = 95.18 : x
  2. Step 2: Convert to fraction form
    133.91/200.10 = 95.18/x
  3. Step 3: Cross multiply
    133.91x = 200.10 × 95.18
  4. Step 4: Simplify right side
    133.91x = 19,045.46
  5. Step 5: Solve for x
    x = 19,045.46/133.91
  6. Step 6: Final answer
    x = 142.23

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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.