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Finding the Fourth Proportional to 588.39, 882.39 and 198.30

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Solution

The fourth proportional to 588.39, 882.39 and 198.30 is: 297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.39 : 882.39 = 198.30 : x
  2. Step 2: Convert to fraction form
    588.39/882.39 = 198.30/x
  3. Step 3: Cross multiply
    588.39x = 882.39 × 198.30
  4. Step 4: Simplify right side
    588.39x = 174,977.94
  5. Step 5: Solve for x
    x = 174,977.94/588.39
  6. Step 6: Final answer
    x = 297.38

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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.