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Finding the Fourth Proportional to 297.47, 446.72 and 182.59

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Solution

The fourth proportional to 297.47, 446.72 and 182.59 is: 274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.47 : 446.72 = 182.59 : x
  2. Step 2: Convert to fraction form
    297.47/446.72 = 182.59/x
  3. Step 3: Cross multiply
    297.47x = 446.72 × 182.59
  4. Step 4: Simplify right side
    297.47x = 81,567.61
  5. Step 5: Solve for x
    x = 81,567.61/297.47
  6. Step 6: Final answer
    x = 274.20

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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.