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Finding the Fourth Proportional to 136.60, 187.39 and 133.01

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Solution

The fourth proportional to 136.60, 187.39 and 133.01 is: 182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.60 : 187.39 = 133.01 : x
  2. Step 2: Convert to fraction form
    136.60/187.39 = 133.01/x
  3. Step 3: Cross multiply
    136.60x = 187.39 × 133.01
  4. Step 4: Simplify right side
    136.60x = 24,924.68
  5. Step 5: Solve for x
    x = 24,924.68/136.60
  6. Step 6: Final answer
    x = 182.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.