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Finding the Fourth Proportional to 345.27, 517.29 and 182.59

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Solution

The fourth proportional to 345.27, 517.29 and 182.59 is: 273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    345.27 : 517.29 = 182.59 : x
  2. Step 2: Convert to fraction form
    345.27/517.29 = 182.59/x
  3. Step 3: Cross multiply
    345.27x = 517.29 × 182.59
  4. Step 4: Simplify right side
    345.27x = 94,451.98
  5. Step 5: Solve for x
    x = 94,451.98/345.27
  6. Step 6: Final answer
    x = 273.56

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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.