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Finding the Fourth Proportional to 591.68, 887.72 and 226.72

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Solution

The fourth proportional to 591.68, 887.72 and 226.72 is: 340.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.68 : 887.72 = 226.72 : x
  2. Step 2: Convert to fraction form
    591.68/887.72 = 226.72/x
  3. Step 3: Cross multiply
    591.68x = 887.72 × 226.72
  4. Step 4: Simplify right side
    591.68x = 201,263.88
  5. Step 5: Solve for x
    x = 201,263.88/591.68
  6. Step 6: Final answer
    x = 340.16

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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.