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Finding the Fourth Proportional to 335.85, 500.49 and 324.85

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Solution

The fourth proportional to 335.85, 500.49 and 324.85 is: 484.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.85 : 500.49 = 324.85 : x
  2. Step 2: Convert to fraction form
    335.85/500.49 = 324.85/x
  3. Step 3: Cross multiply
    335.85x = 500.49 × 324.85
  4. Step 4: Simplify right side
    335.85x = 162,581.38
  5. Step 5: Solve for x
    x = 162,581.38/335.85
  6. Step 6: Final answer
    x = 484.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.