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Finding the Fourth Proportional to 886.04, 1,326.30 and 794.20

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Solution

The fourth proportional to 886.04, 1,326.30 and 794.20 is: 1,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    886.04 : 1,326.30 = 794.20 : x
  2. Step 2: Convert to fraction form
    886.04/1,326.30 = 794.20/x
  3. Step 3: Cross multiply
    886.04x = 1,326.30 × 794.20
  4. Step 4: Simplify right side
    886.04x = 1,053,347.46
  5. Step 5: Solve for x
    x = 1,053,347.46/886.04
  6. Step 6: Final answer
    x = 1,188.83

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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.