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Finding the Fourth Proportional to 376.63, 565.04 and 299.88

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Solution

The fourth proportional to 376.63, 565.04 and 299.88 is: 449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.63 : 565.04 = 299.88 : x
  2. Step 2: Convert to fraction form
    376.63/565.04 = 299.88/x
  3. Step 3: Cross multiply
    376.63x = 565.04 × 299.88
  4. Step 4: Simplify right side
    376.63x = 169,444.94
  5. Step 5: Solve for x
    x = 169,444.94/376.63
  6. Step 6: Final answer
    x = 449.90

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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.