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Finding the Fourth Proportional to 584.42, 806.51 and 335.75

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Solution

The fourth proportional to 584.42, 806.51 and 335.75 is: 463.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.42 : 806.51 = 335.75 : x
  2. Step 2: Convert to fraction form
    584.42/806.51 = 335.75/x
  3. Step 3: Cross multiply
    584.42x = 806.51 × 335.75
  4. Step 4: Simplify right side
    584.42x = 270,786.07
  5. Step 5: Solve for x
    x = 270,786.07/584.42
  6. Step 6: Final answer
    x = 463.34

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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.