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Finding the Fourth Proportional to 297.62, 446.02 and 271.90

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Solution

The fourth proportional to 297.62, 446.02 and 271.90 is: 407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.62 : 446.02 = 271.90 : x
  2. Step 2: Convert to fraction form
    297.62/446.02 = 271.90/x
  3. Step 3: Cross multiply
    297.62x = 446.02 × 271.90
  4. Step 4: Simplify right side
    297.62x = 121,272.84
  5. Step 5: Solve for x
    x = 121,272.84/297.62
  6. Step 6: Final answer
    x = 407.48

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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.