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Finding the Fourth Proportional to 155.52, 233.82 and 150.66

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Solution

The fourth proportional to 155.52, 233.82 and 150.66 is: 226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155.52 : 233.82 = 150.66 : x
  2. Step 2: Convert to fraction form
    155.52/233.82 = 150.66/x
  3. Step 3: Cross multiply
    155.52x = 233.82 × 150.66
  4. Step 4: Simplify right side
    155.52x = 35,227.32
  5. Step 5: Solve for x
    x = 35,227.32/155.52
  6. Step 6: Final answer
    x = 226.51

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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.