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Finding the Fourth Proportional to 195.14, 269.46 and 136.22

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Solution

The fourth proportional to 195.14, 269.46 and 136.22 is: 188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.14 : 269.46 = 136.22 : x
  2. Step 2: Convert to fraction form
    195.14/269.46 = 136.22/x
  3. Step 3: Cross multiply
    195.14x = 269.46 × 136.22
  4. Step 4: Simplify right side
    195.14x = 36,704.49
  5. Step 5: Solve for x
    x = 36,704.49/195.14
  6. Step 6: Final answer
    x = 188.09

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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.