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Finding the Fourth Proportional to 589.71, 884.68 and 329.57

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Solution

The fourth proportional to 589.71, 884.68 and 329.57 is: 494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.71 : 884.68 = 329.57 : x
  2. Step 2: Convert to fraction form
    589.71/884.68 = 329.57/x
  3. Step 3: Cross multiply
    589.71x = 884.68 × 329.57
  4. Step 4: Simplify right side
    589.71x = 291,562.98
  5. Step 5: Solve for x
    x = 291,562.98/589.71
  6. Step 6: Final answer
    x = 494.41

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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.