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Finding the Fourth Proportional to 591.30, 886.86 and 226.44

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Solution

The fourth proportional to 591.30, 886.86 and 226.44 is: 339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.30 : 886.86 = 226.44 : x
  2. Step 2: Convert to fraction form
    591.30/886.86 = 226.44/x
  3. Step 3: Cross multiply
    591.30x = 886.86 × 226.44
  4. Step 4: Simplify right side
    591.30x = 200,820.58
  5. Step 5: Solve for x
    x = 200,820.58/591.30
  6. Step 6: Final answer
    x = 339.63

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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.