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Finding the Fourth Proportional to 134.39, 200.61 and 124.37

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Solution

The fourth proportional to 134.39, 200.61 and 124.37 is: 185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.39 : 200.61 = 124.37 : x
  2. Step 2: Convert to fraction form
    134.39/200.61 = 124.37/x
  3. Step 3: Cross multiply
    134.39x = 200.61 × 124.37
  4. Step 4: Simplify right side
    134.39x = 24,949.87
  5. Step 5: Solve for x
    x = 24,949.87/134.39
  6. Step 6: Final answer
    x = 185.65

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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.