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Finding the Fourth Proportional to 605.22, 903.44 and 560.13

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Solution

The fourth proportional to 605.22, 903.44 and 560.13 is: 836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.22 : 903.44 = 560.13 : x
  2. Step 2: Convert to fraction form
    605.22/903.44 = 560.13/x
  3. Step 3: Cross multiply
    605.22x = 903.44 × 560.13
  4. Step 4: Simplify right side
    605.22x = 506,041.05
  5. Step 5: Solve for x
    x = 506,041.05/605.22
  6. Step 6: Final answer
    x = 836.13

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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.