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Finding the Fourth Proportional to 150.58, 224.78 and 119.87

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Solution

The fourth proportional to 150.58, 224.78 and 119.87 is: 178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.58 : 224.78 = 119.87 : x
  2. Step 2: Convert to fraction form
    150.58/224.78 = 119.87/x
  3. Step 3: Cross multiply
    150.58x = 224.78 × 119.87
  4. Step 4: Simplify right side
    150.58x = 26,944.38
  5. Step 5: Solve for x
    x = 26,944.38/150.58
  6. Step 6: Final answer
    x = 178.94

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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.