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Finding the Fourth Proportional to 1,865.27, 2,797.61 and 566.44

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Solution

The fourth proportional to 1,865.27, 2,797.61 and 566.44 is: 849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.27 : 2,797.61 = 566.44 : x
  2. Step 2: Convert to fraction form
    1,865.27/2,797.61 = 566.44/x
  3. Step 3: Cross multiply
    1,865.27x = 2,797.61 × 566.44
  4. Step 4: Simplify right side
    1,865.27x = 1,584,668.38
  5. Step 5: Solve for x
    x = 1,584,668.38/1,865.27
  6. Step 6: Final answer
    x = 849.56

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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.