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Finding the Fourth Proportional to 426.45, 588.51 and 249.54

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Solution

The fourth proportional to 426.45, 588.51 and 249.54 is: 344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    426.45 : 588.51 = 249.54 : x
  2. Step 2: Convert to fraction form
    426.45/588.51 = 249.54/x
  3. Step 3: Cross multiply
    426.45x = 588.51 × 249.54
  4. Step 4: Simplify right side
    426.45x = 146,857.72
  5. Step 5: Solve for x
    x = 146,857.72/426.45
  6. Step 6: Final answer
    x = 344.37

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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.