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Finding the Fourth Proportional to 583.97, 805.65 and 335.20

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Solution

The fourth proportional to 583.97, 805.65 and 335.20 is: 462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.97 : 805.65 = 335.20 : x
  2. Step 2: Convert to fraction form
    583.97/805.65 = 335.20/x
  3. Step 3: Cross multiply
    583.97x = 805.65 × 335.20
  4. Step 4: Simplify right side
    583.97x = 270,053.88
  5. Step 5: Solve for x
    x = 270,053.88/583.97
  6. Step 6: Final answer
    x = 462.44

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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.