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Finding the Fourth Proportional to 592.82, 818.05 and 330.85

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Solution

The fourth proportional to 592.82, 818.05 and 330.85 is: 456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.82 : 818.05 = 330.85 : x
  2. Step 2: Convert to fraction form
    592.82/818.05 = 330.85/x
  3. Step 3: Cross multiply
    592.82x = 818.05 × 330.85
  4. Step 4: Simplify right side
    592.82x = 270,651.84
  5. Step 5: Solve for x
    x = 270,651.84/592.82
  6. Step 6: Final answer
    x = 456.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.