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Finding the Fourth Proportional to 588.79, 882.78 and 328.85

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Solution

The fourth proportional to 588.79, 882.78 and 328.85 is: 493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.79 : 882.78 = 328.85 : x
  2. Step 2: Convert to fraction form
    588.79/882.78 = 328.85/x
  3. Step 3: Cross multiply
    588.79x = 882.78 × 328.85
  4. Step 4: Simplify right side
    588.79x = 290,302.20
  5. Step 5: Solve for x
    x = 290,302.20/588.79
  6. Step 6: Final answer
    x = 493.05

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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.