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Finding the Fourth Proportional to 611.29, 843.27 and 362.49

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Solution

The fourth proportional to 611.29, 843.27 and 362.49 is: 500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.29 : 843.27 = 362.49 : x
  2. Step 2: Convert to fraction form
    611.29/843.27 = 362.49/x
  3. Step 3: Cross multiply
    611.29x = 843.27 × 362.49
  4. Step 4: Simplify right side
    611.29x = 305,676.94
  5. Step 5: Solve for x
    x = 305,676.94/611.29
  6. Step 6: Final answer
    x = 500.05

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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.