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Finding the Fourth Proportional to 1,165.97, 1,749.02 and 344.27

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Solution

The fourth proportional to 1,165.97, 1,749.02 and 344.27 is: 516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165.97 : 1,749.02 = 344.27 : x
  2. Step 2: Convert to fraction form
    1,165.97/1,749.02 = 344.27/x
  3. Step 3: Cross multiply
    1,165.97x = 1,749.02 × 344.27
  4. Step 4: Simplify right side
    1,165.97x = 602,135.12
  5. Step 5: Solve for x
    x = 602,135.12/1,165.97
  6. Step 6: Final answer
    x = 516.42

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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.