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Finding the Fourth Proportional to 335.08, 462.18 and 279.82

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Solution

The fourth proportional to 335.08, 462.18 and 279.82 is: 385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.08 : 462.18 = 279.82 : x
  2. Step 2: Convert to fraction form
    335.08/462.18 = 279.82/x
  3. Step 3: Cross multiply
    335.08x = 462.18 × 279.82
  4. Step 4: Simplify right side
    335.08x = 129,327.21
  5. Step 5: Solve for x
    x = 129,327.21/335.08
  6. Step 6: Final answer
    x = 385.96

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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.