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Finding the Fourth Proportional to 296.89, 444.80 and 181.28

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Solution

The fourth proportional to 296.89, 444.80 and 181.28 is: 271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.89 : 444.80 = 181.28 : x
  2. Step 2: Convert to fraction form
    296.89/444.80 = 181.28/x
  3. Step 3: Cross multiply
    296.89x = 444.80 × 181.28
  4. Step 4: Simplify right side
    296.89x = 80,633.34
  5. Step 5: Solve for x
    x = 80,633.34/296.89
  6. Step 6: Final answer
    x = 271.59

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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.