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Finding the Fourth Proportional to 545.94, 819.05 and 237.87

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Solution

The fourth proportional to 545.94, 819.05 and 237.87 is: 356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.94 : 819.05 = 237.87 : x
  2. Step 2: Convert to fraction form
    545.94/819.05 = 237.87/x
  3. Step 3: Cross multiply
    545.94x = 819.05 × 237.87
  4. Step 4: Simplify right side
    545.94x = 194,826.23
  5. Step 5: Solve for x
    x = 194,826.23/545.94
  6. Step 6: Final answer
    x = 356.86

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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.