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Finding the Fourth Proportional to 1,134.28, 1,701.69 and 440.97

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Solution

The fourth proportional to 1,134.28, 1,701.69 and 440.97 is: 661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.28 : 1,701.69 = 440.97 : x
  2. Step 2: Convert to fraction form
    1,134.28/1,701.69 = 440.97/x
  3. Step 3: Cross multiply
    1,134.28x = 1,701.69 × 440.97
  4. Step 4: Simplify right side
    1,134.28x = 750,394.24
  5. Step 5: Solve for x
    x = 750,394.24/1,134.28
  6. Step 6: Final answer
    x = 661.56

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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.