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Finding the Fourth Proportional to 614.28, 844.22 and 552.77

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Solution

The fourth proportional to 614.28, 844.22 and 552.77 is: 759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.28 : 844.22 = 552.77 : x
  2. Step 2: Convert to fraction form
    614.28/844.22 = 552.77/x
  3. Step 3: Cross multiply
    614.28x = 844.22 × 552.77
  4. Step 4: Simplify right side
    614.28x = 466,664.56
  5. Step 5: Solve for x
    x = 466,664.56/614.28
  6. Step 6: Final answer
    x = 759.69

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.