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Finding the Fourth Proportional to 334.27, 500.73 and 279.55

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Solution

The fourth proportional to 334.27, 500.73 and 279.55 is: 418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.27 : 500.73 = 279.55 : x
  2. Step 2: Convert to fraction form
    334.27/500.73 = 279.55/x
  3. Step 3: Cross multiply
    334.27x = 500.73 × 279.55
  4. Step 4: Simplify right side
    334.27x = 139,979.07
  5. Step 5: Solve for x
    x = 139,979.07/334.27
  6. Step 6: Final answer
    x = 418.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.