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Finding the Fourth Proportional to 560.22, 773.17 and 350.61

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Solution

The fourth proportional to 560.22, 773.17 and 350.61 is: 483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.22 : 773.17 = 350.61 : x
  2. Step 2: Convert to fraction form
    560.22/773.17 = 350.61/x
  3. Step 3: Cross multiply
    560.22x = 773.17 × 350.61
  4. Step 4: Simplify right side
    560.22x = 271,081.13
  5. Step 5: Solve for x
    x = 271,081.13/560.22
  6. Step 6: Final answer
    x = 483.88

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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.