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Finding the Fourth Proportional to 589.27, 884.54 and 443.43

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Solution

The fourth proportional to 589.27, 884.54 and 443.43 is: 665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.27 : 884.54 = 443.43 : x
  2. Step 2: Convert to fraction form
    589.27/884.54 = 443.43/x
  3. Step 3: Cross multiply
    589.27x = 884.54 × 443.43
  4. Step 4: Simplify right side
    589.27x = 392,231.57
  5. Step 5: Solve for x
    x = 392,231.57/589.27
  6. Step 6: Final answer
    x = 665.62

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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.