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Finding the Fourth Proportional to 150.76, 226.41 and 142.66

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Solution

The fourth proportional to 150.76, 226.41 and 142.66 is: 214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.76 : 226.41 = 142.66 : x
  2. Step 2: Convert to fraction form
    150.76/226.41 = 142.66/x
  3. Step 3: Cross multiply
    150.76x = 226.41 × 142.66
  4. Step 4: Simplify right side
    150.76x = 32,299.65
  5. Step 5: Solve for x
    x = 32,299.65/150.76
  6. Step 6: Final answer
    x = 214.25

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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.