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Finding the Fourth Proportional to 588.63, 882.36 and 328.74

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Solution

The fourth proportional to 588.63, 882.36 and 328.74 is: 492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.63 : 882.36 = 328.74 : x
  2. Step 2: Convert to fraction form
    588.63/882.36 = 328.74/x
  3. Step 3: Cross multiply
    588.63x = 882.36 × 328.74
  4. Step 4: Simplify right side
    588.63x = 290,067.03
  5. Step 5: Solve for x
    x = 290,067.03/588.63
  6. Step 6: Final answer
    x = 492.78

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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.