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Finding the Fourth Proportional to 151.88, 225.99 and 147.96

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Solution

The fourth proportional to 151.88, 225.99 and 147.96 is: 220.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.88 : 225.99 = 147.96 : x
  2. Step 2: Convert to fraction form
    151.88/225.99 = 147.96/x
  3. Step 3: Cross multiply
    151.88x = 225.99 × 147.96
  4. Step 4: Simplify right side
    151.88x = 33,437.48
  5. Step 5: Solve for x
    x = 33,437.48/151.88
  6. Step 6: Final answer
    x = 220.16

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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.