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Finding the Fourth Proportional to 150.73, 226.18 and 59.42

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Solution

The fourth proportional to 150.73, 226.18 and 59.42 is: 89.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.73 : 226.18 = 59.42 : x
  2. Step 2: Convert to fraction form
    150.73/226.18 = 59.42/x
  3. Step 3: Cross multiply
    150.73x = 226.18 × 59.42
  4. Step 4: Simplify right side
    150.73x = 13,439.62
  5. Step 5: Solve for x
    x = 13,439.62/150.73
  6. Step 6: Final answer
    x = 89.17

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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.