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Finding the Fourth Proportional to 1,367.31, 2,050.97 and 341.31

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Solution

The fourth proportional to 1,367.31, 2,050.97 and 341.31 is: 511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.31 : 2,050.97 = 341.31 : x
  2. Step 2: Convert to fraction form
    1,367.31/2,050.97 = 341.31/x
  3. Step 3: Cross multiply
    1,367.31x = 2,050.97 × 341.31
  4. Step 4: Simplify right side
    1,367.31x = 700,016.57
  5. Step 5: Solve for x
    x = 700,016.57/1,367.31
  6. Step 6: Final answer
    x = 511.97

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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.