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Finding the Fourth Proportional to 151.66, 227.55 and 119.26

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Solution

The fourth proportional to 151.66, 227.55 and 119.26 is: 178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.66 : 227.55 = 119.26 : x
  2. Step 2: Convert to fraction form
    151.66/227.55 = 119.26/x
  3. Step 3: Cross multiply
    151.66x = 227.55 × 119.26
  4. Step 4: Simplify right side
    151.66x = 27,137.61
  5. Step 5: Solve for x
    x = 27,137.61/151.66
  6. Step 6: Final answer
    x = 178.94

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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.