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Finding the Fourth Proportional to 252.84, 379.97 and 150.14

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Solution

The fourth proportional to 252.84, 379.97 and 150.14 is: 225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.84 : 379.97 = 150.14 : x
  2. Step 2: Convert to fraction form
    252.84/379.97 = 150.14/x
  3. Step 3: Cross multiply
    252.84x = 379.97 × 150.14
  4. Step 4: Simplify right side
    252.84x = 57,050.02
  5. Step 5: Solve for x
    x = 57,050.02/252.84
  6. Step 6: Final answer
    x = 225.64

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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.