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Finding the Fourth Proportional to 335.97, 502.83 and 274.41

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Solution

The fourth proportional to 335.97, 502.83 and 274.41 is: 410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.97 : 502.83 = 274.41 : x
  2. Step 2: Convert to fraction form
    335.97/502.83 = 274.41/x
  3. Step 3: Cross multiply
    335.97x = 502.83 × 274.41
  4. Step 4: Simplify right side
    335.97x = 137,981.58
  5. Step 5: Solve for x
    x = 137,981.58/335.97
  6. Step 6: Final answer
    x = 410.70

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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.