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Finding the Fourth Proportional to 886.10, 1,329.17 and 496.04

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Solution

The fourth proportional to 886.10, 1,329.17 and 496.04 is: 744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    886.10 : 1,329.17 = 496.04 : x
  2. Step 2: Convert to fraction form
    886.10/1,329.17 = 496.04/x
  3. Step 3: Cross multiply
    886.10x = 1,329.17 × 496.04
  4. Step 4: Simplify right side
    886.10x = 659,322.33
  5. Step 5: Solve for x
    x = 659,322.33/886.10
  6. Step 6: Final answer
    x = 744.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.