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Finding the Fourth Proportional to 334.43, 500.72 and 293.42

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Solution

The fourth proportional to 334.43, 500.72 and 293.42 is: 439.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.43 : 500.72 = 293.42 : x
  2. Step 2: Convert to fraction form
    334.43/500.72 = 293.42/x
  3. Step 3: Cross multiply
    334.43x = 500.72 × 293.42
  4. Step 4: Simplify right side
    334.43x = 146,917.29
  5. Step 5: Solve for x
    x = 146,917.29/334.43
  6. Step 6: Final answer
    x = 439.31

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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.