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Finding the Fourth Proportional to 350.12, 524.68 and 272.73

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Solution

The fourth proportional to 350.12, 524.68 and 272.73 is: 408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.12 : 524.68 = 272.73 : x
  2. Step 2: Convert to fraction form
    350.12/524.68 = 272.73/x
  3. Step 3: Cross multiply
    350.12x = 524.68 × 272.73
  4. Step 4: Simplify right side
    350.12x = 143,094.35
  5. Step 5: Solve for x
    x = 143,094.35/350.12
  6. Step 6: Final answer
    x = 408.71

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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.