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Finding the Fourth Proportional to 133.26, 200.13 and 116.26

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Solution

The fourth proportional to 133.26, 200.13 and 116.26 is: 174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.26 : 200.13 = 116.26 : x
  2. Step 2: Convert to fraction form
    133.26/200.13 = 116.26/x
  3. Step 3: Cross multiply
    133.26x = 200.13 × 116.26
  4. Step 4: Simplify right side
    133.26x = 23,267.11
  5. Step 5: Solve for x
    x = 23,267.11/133.26
  6. Step 6: Final answer
    x = 174.60

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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.