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Finding the Fourth Proportional to 136.69, 188.44 and 132.44

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Solution

The fourth proportional to 136.69, 188.44 and 132.44 is: 182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.69 : 188.44 = 132.44 : x
  2. Step 2: Convert to fraction form
    136.69/188.44 = 132.44/x
  3. Step 3: Cross multiply
    136.69x = 188.44 × 132.44
  4. Step 4: Simplify right side
    136.69x = 24,956.99
  5. Step 5: Solve for x
    x = 24,956.99/136.69
  6. Step 6: Final answer
    x = 182.58

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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.