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Finding the Fourth Proportional to 794.45, 1,096.18 and 445.07

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Solution

The fourth proportional to 794.45, 1,096.18 and 445.07 is: 614.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.45 : 1,096.18 = 445.07 : x
  2. Step 2: Convert to fraction form
    794.45/1,096.18 = 445.07/x
  3. Step 3: Cross multiply
    794.45x = 1,096.18 × 445.07
  4. Step 4: Simplify right side
    794.45x = 487,876.83
  5. Step 5: Solve for x
    x = 487,876.83/794.45
  6. Step 6: Final answer
    x = 614.11

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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.