Home / 1,008.26-1,391.33-566.10

Finding the Fourth Proportional to 1,008.26, 1,391.33 and 566.10

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Solution

The fourth proportional to 1,008.26, 1,391.33 and 566.10 is: 781.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008.26 : 1,391.33 = 566.10 : x
  2. Step 2: Convert to fraction form
    1,008.26/1,391.33 = 566.10/x
  3. Step 3: Cross multiply
    1,008.26x = 1,391.33 × 566.10
  4. Step 4: Simplify right side
    1,008.26x = 787,631.91
  5. Step 5: Solve for x
    x = 787,631.91/1,008.26
  6. Step 6: Final answer
    x = 781.18

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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.