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Finding the Fourth Proportional to 605.26, 903.49 and 560.17

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Solution

The fourth proportional to 605.26, 903.49 and 560.17 is: 836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.26 : 903.49 = 560.17 : x
  2. Step 2: Convert to fraction form
    605.26/903.49 = 560.17/x
  3. Step 3: Cross multiply
    605.26x = 903.49 × 560.17
  4. Step 4: Simplify right side
    605.26x = 506,107.99
  5. Step 5: Solve for x
    x = 506,107.99/605.26
  6. Step 6: Final answer
    x = 836.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.