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Finding the Fourth Proportional to 1,027.92, 1,541.64 and 297.33

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Solution

The fourth proportional to 1,027.92, 1,541.64 and 297.33 is: 445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.92 : 1,541.64 = 297.33 : x
  2. Step 2: Convert to fraction form
    1,027.92/1,541.64 = 297.33/x
  3. Step 3: Cross multiply
    1,027.92x = 1,541.64 × 297.33
  4. Step 4: Simplify right side
    1,027.92x = 458,375.82
  5. Step 5: Solve for x
    x = 458,375.82/1,027.92
  6. Step 6: Final answer
    x = 445.93

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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.