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Finding the Fourth Proportional to 588.60, 882.30 and 328.20

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Solution

The fourth proportional to 588.60, 882.30 and 328.20 is: 491.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.60 : 882.30 = 328.20 : x
  2. Step 2: Convert to fraction form
    588.60/882.30 = 328.20/x
  3. Step 3: Cross multiply
    588.60x = 882.30 × 328.20
  4. Step 4: Simplify right side
    588.60x = 289,570.86
  5. Step 5: Solve for x
    x = 289,570.86/588.60
  6. Step 6: Final answer
    x = 491.97

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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.