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Finding the Fourth Proportional to 793.87, 1,096.05 and 545.11

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Solution

The fourth proportional to 793.87, 1,096.05 and 545.11 is: 752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.87 : 1,096.05 = 545.11 : x
  2. Step 2: Convert to fraction form
    793.87/1,096.05 = 545.11/x
  3. Step 3: Cross multiply
    793.87x = 1,096.05 × 545.11
  4. Step 4: Simplify right side
    793.87x = 597,467.82
  5. Step 5: Solve for x
    x = 597,467.82/793.87
  6. Step 6: Final answer
    x = 752.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.