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Finding the Fourth Proportional to 583.65, 805.46 and 335.06

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Solution

The fourth proportional to 583.65, 805.46 and 335.06 is: 462.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.65 : 805.46 = 335.06 : x
  2. Step 2: Convert to fraction form
    583.65/805.46 = 335.06/x
  3. Step 3: Cross multiply
    583.65x = 805.46 × 335.06
  4. Step 4: Simplify right side
    583.65x = 269,871.73
  5. Step 5: Solve for x
    x = 269,871.73/583.65
  6. Step 6: Final answer
    x = 462.39

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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.