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Finding the Fourth Proportional to 410.82, 566.76 and 408.99

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Solution

The fourth proportional to 410.82, 566.76 and 408.99 is: 564.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.82 : 566.76 = 408.99 : x
  2. Step 2: Convert to fraction form
    410.82/566.76 = 408.99/x
  3. Step 3: Cross multiply
    410.82x = 566.76 × 408.99
  4. Step 4: Simplify right side
    410.82x = 231,799.17
  5. Step 5: Solve for x
    x = 231,799.17/410.82
  6. Step 6: Final answer
    x = 564.24

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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.