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Finding the Fourth Proportional to 589.57, 882.37 and 543.70

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Solution

The fourth proportional to 589.57, 882.37 and 543.70 is: 813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.57 : 882.37 = 543.70 : x
  2. Step 2: Convert to fraction form
    589.57/882.37 = 543.70/x
  3. Step 3: Cross multiply
    589.57x = 882.37 × 543.70
  4. Step 4: Simplify right side
    589.57x = 479,744.57
  5. Step 5: Solve for x
    x = 479,744.57/589.57
  6. Step 6: Final answer
    x = 813.72

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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.