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Finding the Fourth Proportional to 549.27, 819.06 and 544.34

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Solution

The fourth proportional to 549.27, 819.06 and 544.34 is: 811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.27 : 819.06 = 544.34 : x
  2. Step 2: Convert to fraction form
    549.27/819.06 = 544.34/x
  3. Step 3: Cross multiply
    549.27x = 819.06 × 544.34
  4. Step 4: Simplify right side
    549.27x = 445,844.39
  5. Step 5: Solve for x
    x = 445,844.39/549.27
  6. Step 6: Final answer
    x = 811.70

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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.