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Finding the Fourth Proportional to 584.21, 806.16 and 335.49

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Solution

The fourth proportional to 584.21, 806.16 and 335.49 is: 462.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.21 : 806.16 = 335.49 : x
  2. Step 2: Convert to fraction form
    584.21/806.16 = 335.49/x
  3. Step 3: Cross multiply
    584.21x = 806.16 × 335.49
  4. Step 4: Simplify right side
    584.21x = 270,458.62
  5. Step 5: Solve for x
    x = 270,458.62/584.21
  6. Step 6: Final answer
    x = 462.95

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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.