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Finding the Fourth Proportional to 583.91, 805.70 and 335.18

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Solution

The fourth proportional to 583.91, 805.70 and 335.18 is: 462.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.91 : 805.70 = 335.18 : x
  2. Step 2: Convert to fraction form
    583.91/805.70 = 335.18/x
  3. Step 3: Cross multiply
    583.91x = 805.70 × 335.18
  4. Step 4: Simplify right side
    583.91x = 270,048.82
  5. Step 5: Solve for x
    x = 270,048.82/583.91
  6. Step 6: Final answer
    x = 462.49

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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.