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Finding the Fourth Proportional to 558.92, 833.05 and 545.96

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Solution

The fourth proportional to 558.92, 833.05 and 545.96 is: 813.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.92 : 833.05 = 545.96 : x
  2. Step 2: Convert to fraction form
    558.92/833.05 = 545.96/x
  3. Step 3: Cross multiply
    558.92x = 833.05 × 545.96
  4. Step 4: Simplify right side
    558.92x = 454,811.98
  5. Step 5: Solve for x
    x = 454,811.98/558.92
  6. Step 6: Final answer
    x = 813.73

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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.