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Finding the Fourth Proportional to 545.97, 819.03 and 180.79

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Solution

The fourth proportional to 545.97, 819.03 and 180.79 is: 271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.97 : 819.03 = 180.79 : x
  2. Step 2: Convert to fraction form
    545.97/819.03 = 180.79/x
  3. Step 3: Cross multiply
    545.97x = 819.03 × 180.79
  4. Step 4: Simplify right side
    545.97x = 148,072.43
  5. Step 5: Solve for x
    x = 148,072.43/545.97
  6. Step 6: Final answer
    x = 271.21

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.