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Finding the Fourth Proportional to 591.81, 887.21 and 226.35

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Solution

The fourth proportional to 591.81, 887.21 and 226.35 is: 339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.81 : 887.21 = 226.35 : x
  2. Step 2: Convert to fraction form
    591.81/887.21 = 226.35/x
  3. Step 3: Cross multiply
    591.81x = 887.21 × 226.35
  4. Step 4: Simplify right side
    591.81x = 200,819.98
  5. Step 5: Solve for x
    x = 200,819.98/591.81
  6. Step 6: Final answer
    x = 339.33

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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.