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Finding the Fourth Proportional to 151.32, 225.38 and 150.55

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Solution

The fourth proportional to 151.32, 225.38 and 150.55 is: 224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.32 : 225.38 = 150.55 : x
  2. Step 2: Convert to fraction form
    151.32/225.38 = 150.55/x
  3. Step 3: Cross multiply
    151.32x = 225.38 × 150.55
  4. Step 4: Simplify right side
    151.32x = 33,929.64
  5. Step 5: Solve for x
    x = 33,929.64/151.32
  6. Step 6: Final answer
    x = 224.22

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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.