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Finding the Fourth Proportional to 794.68, 1,096.66 and 445.37

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Solution

The fourth proportional to 794.68, 1,096.66 and 445.37 is: 614.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.68 : 1,096.66 = 445.37 : x
  2. Step 2: Convert to fraction form
    794.68/1,096.66 = 445.37/x
  3. Step 3: Cross multiply
    794.68x = 1,096.66 × 445.37
  4. Step 4: Simplify right side
    794.68x = 488,414.54
  5. Step 5: Solve for x
    x = 488,414.54/794.68
  6. Step 6: Final answer
    x = 614.61

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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.