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Finding the Fourth Proportional to 615.28, 922.92 and 250.03

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Solution

The fourth proportional to 615.28, 922.92 and 250.03 is: 375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.28 : 922.92 = 250.03 : x
  2. Step 2: Convert to fraction form
    615.28/922.92 = 250.03/x
  3. Step 3: Cross multiply
    615.28x = 922.92 × 250.03
  4. Step 4: Simplify right side
    615.28x = 230,757.69
  5. Step 5: Solve for x
    x = 230,757.69/615.28
  6. Step 6: Final answer
    x = 375.05

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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.