Home / 925.12-1,387.38-377.14

Finding the Fourth Proportional to 925.12, 1,387.38 and 377.14

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Solution

The fourth proportional to 925.12, 1,387.38 and 377.14 is: 565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.12 : 1,387.38 = 377.14 : x
  2. Step 2: Convert to fraction form
    925.12/1,387.38 = 377.14/x
  3. Step 3: Cross multiply
    925.12x = 1,387.38 × 377.14
  4. Step 4: Simplify right side
    925.12x = 523,236.49
  5. Step 5: Solve for x
    x = 523,236.49/925.12
  6. Step 6: Final answer
    x = 565.59

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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.