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Finding the Fourth Proportional to 1,540, 2,310.34 and 566.08

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Solution

The fourth proportional to 1,540, 2,310.34 and 566.08 is: 849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540 : 2,310.34 = 566.08 : x
  2. Step 2: Convert to fraction form
    1,540/2,310.34 = 566.08/x
  3. Step 3: Cross multiply
    1,540x = 2,310.34 × 566.08
  4. Step 4: Simplify right side
    1,540x = 1,307,837.27
  5. Step 5: Solve for x
    x = 1,307,837.27/1,540
  6. Step 6: Final answer
    x = 849.24

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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.