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Finding the Fourth Proportional to 376.97, 565.14 and 194.27

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Solution

The fourth proportional to 376.97, 565.14 and 194.27 is: 291.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.97 : 565.14 = 194.27 : x
  2. Step 2: Convert to fraction form
    376.97/565.14 = 194.27/x
  3. Step 3: Cross multiply
    376.97x = 565.14 × 194.27
  4. Step 4: Simplify right side
    376.97x = 109,787.65
  5. Step 5: Solve for x
    x = 109,787.65/376.97
  6. Step 6: Final answer
    x = 291.24

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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.