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Finding the Fourth Proportional to 297.08, 444.90 and 181.60

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Solution

The fourth proportional to 297.08, 444.90 and 181.60 is: 271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.08 : 444.90 = 181.60 : x
  2. Step 2: Convert to fraction form
    297.08/444.90 = 181.60/x
  3. Step 3: Cross multiply
    297.08x = 444.90 × 181.60
  4. Step 4: Simplify right side
    297.08x = 80,793.84
  5. Step 5: Solve for x
    x = 80,793.84/297.08
  6. Step 6: Final answer
    x = 271.96

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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.