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Finding the Fourth Proportional to 1,093, 1,508.52 and 627.52

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Solution

The fourth proportional to 1,093, 1,508.52 and 627.52 is: 866.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093 : 1,508.52 = 627.52 : x
  2. Step 2: Convert to fraction form
    1,093/1,508.52 = 627.52/x
  3. Step 3: Cross multiply
    1,093x = 1,508.52 × 627.52
  4. Step 4: Simplify right side
    1,093x = 946,626.47
  5. Step 5: Solve for x
    x = 946,626.47/1,093
  6. Step 6: Final answer
    x = 866.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.