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Finding the Fourth Proportional to 376.99, 565.72 and 160.55

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Solution

The fourth proportional to 376.99, 565.72 and 160.55 is: 240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.99 : 565.72 = 160.55 : x
  2. Step 2: Convert to fraction form
    376.99/565.72 = 160.55/x
  3. Step 3: Cross multiply
    376.99x = 565.72 × 160.55
  4. Step 4: Simplify right side
    376.99x = 90,822.71
  5. Step 5: Solve for x
    x = 90,822.71/376.99
  6. Step 6: Final answer
    x = 240.92

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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.