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Finding the Fourth Proportional to 582.97, 804.31 and 330.85

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Solution

The fourth proportional to 582.97, 804.31 and 330.85 is: 456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.97 : 804.31 = 330.85 : x
  2. Step 2: Convert to fraction form
    582.97/804.31 = 330.85/x
  3. Step 3: Cross multiply
    582.97x = 804.31 × 330.85
  4. Step 4: Simplify right side
    582.97x = 266,107.38
  5. Step 5: Solve for x
    x = 266,107.38/582.97
  6. Step 6: Final answer
    x = 456.47

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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.