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Finding the Fourth Proportional to 376.82, 565.08 and 157.29

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Solution

The fourth proportional to 376.82, 565.08 and 157.29 is: 235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.82 : 565.08 = 157.29 : x
  2. Step 2: Convert to fraction form
    376.82/565.08 = 157.29/x
  3. Step 3: Cross multiply
    376.82x = 565.08 × 157.29
  4. Step 4: Simplify right side
    376.82x = 88,881.90
  5. Step 5: Solve for x
    x = 88,881.90/376.82
  6. Step 6: Final answer
    x = 235.87

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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.