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Finding the Fourth Proportional to 297.52, 446.10 and 194.68

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Solution

The fourth proportional to 297.52, 446.10 and 194.68 is: 291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.52 : 446.10 = 194.68 : x
  2. Step 2: Convert to fraction form
    297.52/446.10 = 194.68/x
  3. Step 3: Cross multiply
    297.52x = 446.10 × 194.68
  4. Step 4: Simplify right side
    297.52x = 86,846.75
  5. Step 5: Solve for x
    x = 86,846.75/297.52
  6. Step 6: Final answer
    x = 291.90

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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.