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Finding the Fourth Proportional to 793.20, 1,095.41 and 545.14

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Solution

The fourth proportional to 793.20, 1,095.41 and 545.14 is: 752.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.20 : 1,095.41 = 545.14 : x
  2. Step 2: Convert to fraction form
    793.20/1,095.41 = 545.14/x
  3. Step 3: Cross multiply
    793.20x = 1,095.41 × 545.14
  4. Step 4: Simplify right side
    793.20x = 597,151.81
  5. Step 5: Solve for x
    x = 597,151.81/793.20
  6. Step 6: Final answer
    x = 752.84

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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.