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Finding the Fourth Proportional to 590.99, 886.49 and 330.95

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Solution

The fourth proportional to 590.99, 886.49 and 330.95 is: 496.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.99 : 886.49 = 330.95 : x
  2. Step 2: Convert to fraction form
    590.99/886.49 = 330.95/x
  3. Step 3: Cross multiply
    590.99x = 886.49 × 330.95
  4. Step 4: Simplify right side
    590.99x = 293,377.78
  5. Step 5: Solve for x
    x = 293,377.78/590.99
  6. Step 6: Final answer
    x = 496.42

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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.