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Finding the Fourth Proportional to 584.28, 806.37 and 335.63

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Solution

The fourth proportional to 584.28, 806.37 and 335.63 is: 463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.28 : 806.37 = 335.63 : x
  2. Step 2: Convert to fraction form
    584.28/806.37 = 335.63/x
  3. Step 3: Cross multiply
    584.28x = 806.37 × 335.63
  4. Step 4: Simplify right side
    584.28x = 270,641.96
  5. Step 5: Solve for x
    x = 270,641.96/584.28
  6. Step 6: Final answer
    x = 463.21

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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.