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Finding the Fourth Proportional to 585.80, 808.39 and 323.83

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Solution

The fourth proportional to 585.80, 808.39 and 323.83 is: 446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.80 : 808.39 = 323.83 : x
  2. Step 2: Convert to fraction form
    585.80/808.39 = 323.83/x
  3. Step 3: Cross multiply
    585.80x = 808.39 × 323.83
  4. Step 4: Simplify right side
    585.80x = 261,780.93
  5. Step 5: Solve for x
    x = 261,780.93/585.80
  6. Step 6: Final answer
    x = 446.88

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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.