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Finding the Fourth Proportional to 272.35, 376.01 and 179.20

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Solution

The fourth proportional to 272.35, 376.01 and 179.20 is: 247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.35 : 376.01 = 179.20 : x
  2. Step 2: Convert to fraction form
    272.35/376.01 = 179.20/x
  3. Step 3: Cross multiply
    272.35x = 376.01 × 179.20
  4. Step 4: Simplify right side
    272.35x = 67,380.99
  5. Step 5: Solve for x
    x = 67,380.99/272.35
  6. Step 6: Final answer
    x = 247.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.