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Finding the Fourth Proportional to 585.96, 808.61 and 323.95

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Solution

The fourth proportional to 585.96, 808.61 and 323.95 is: 447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.96 : 808.61 = 323.95 : x
  2. Step 2: Convert to fraction form
    585.96/808.61 = 323.95/x
  3. Step 3: Cross multiply
    585.96x = 808.61 × 323.95
  4. Step 4: Simplify right side
    585.96x = 261,949.21
  5. Step 5: Solve for x
    x = 261,949.21/585.96
  6. Step 6: Final answer
    x = 447.04

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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.