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Finding the Fourth Proportional to 590.44, 886.04 and 330.61

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Solution

The fourth proportional to 590.44, 886.04 and 330.61 is: 496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.44 : 886.04 = 330.61 : x
  2. Step 2: Convert to fraction form
    590.44/886.04 = 330.61/x
  3. Step 3: Cross multiply
    590.44x = 886.04 × 330.61
  4. Step 4: Simplify right side
    590.44x = 292,932.03
  5. Step 5: Solve for x
    x = 292,932.03/590.44
  6. Step 6: Final answer
    x = 496.12

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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.