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Finding the Fourth Proportional to 410.43, 565.98 and 299.11

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Solution

The fourth proportional to 410.43, 565.98 and 299.11 is: 412.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.43 : 565.98 = 299.11 : x
  2. Step 2: Convert to fraction form
    410.43/565.98 = 299.11/x
  3. Step 3: Cross multiply
    410.43x = 565.98 × 299.11
  4. Step 4: Simplify right side
    410.43x = 169,290.28
  5. Step 5: Solve for x
    x = 169,290.28/410.43
  6. Step 6: Final answer
    x = 412.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.