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Finding the Fourth Proportional to 151, 226 and 133.96

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Solution

The fourth proportional to 151, 226 and 133.96 is: 200.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    151 : 226 = 133.96 : x
  2. Step 2: Convert to fraction form
    151/226 = 133.96/x
  3. Step 3: Cross multiply
    151x = 226 × 133.96
  4. Step 4: Simplify right side
    151x = 30,274.96
  5. Step 5: Solve for x
    x = 30,274.96/151
  6. Step 6: Final answer
    x = 200.50

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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.