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Finding the Fourth Proportional to 297.54, 405.27 and 296.73

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Solution

The fourth proportional to 297.54, 405.27 and 296.73 is: 404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.54 : 405.27 = 296.73 : x
  2. Step 2: Convert to fraction form
    297.54/405.27 = 296.73/x
  3. Step 3: Cross multiply
    297.54x = 405.27 × 296.73
  4. Step 4: Simplify right side
    297.54x = 120,255.77
  5. Step 5: Solve for x
    x = 120,255.77/297.54
  6. Step 6: Final answer
    x = 404.17

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.