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Finding the Fourth Proportional to 794.24, 1,095.46 and 545.28

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Solution

The fourth proportional to 794.24, 1,095.46 and 545.28 is: 752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.24 : 1,095.46 = 545.28 : x
  2. Step 2: Convert to fraction form
    794.24/1,095.46 = 545.28/x
  3. Step 3: Cross multiply
    794.24x = 1,095.46 × 545.28
  4. Step 4: Simplify right side
    794.24x = 597,332.43
  5. Step 5: Solve for x
    x = 597,332.43/794.24
  6. Step 6: Final answer
    x = 752.08

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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.