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Finding the Fourth Proportional to 589.82, 884.67 and 199.83

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Solution

The fourth proportional to 589.82, 884.67 and 199.83 is: 299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.82 : 884.67 = 199.83 : x
  2. Step 2: Convert to fraction form
    589.82/884.67 = 199.83/x
  3. Step 3: Cross multiply
    589.82x = 884.67 × 199.83
  4. Step 4: Simplify right side
    589.82x = 176,780.10
  5. Step 5: Solve for x
    x = 176,780.10/589.82
  6. Step 6: Final answer
    x = 299.72

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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.