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Finding the Fourth Proportional to 615.27, 923.68 and 372.27

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Solution

The fourth proportional to 615.27, 923.68 and 372.27 is: 558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.27 : 923.68 = 372.27 : x
  2. Step 2: Convert to fraction form
    615.27/923.68 = 372.27/x
  3. Step 3: Cross multiply
    615.27x = 923.68 × 372.27
  4. Step 4: Simplify right side
    615.27x = 343,858.35
  5. Step 5: Solve for x
    x = 343,858.35/615.27
  6. Step 6: Final answer
    x = 558.87

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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.