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Finding the Fourth Proportional to 255.12, 353.99 and 244.83

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Solution

The fourth proportional to 255.12, 353.99 and 244.83 is: 339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.12 : 353.99 = 244.83 : x
  2. Step 2: Convert to fraction form
    255.12/353.99 = 244.83/x
  3. Step 3: Cross multiply
    255.12x = 353.99 × 244.83
  4. Step 4: Simplify right side
    255.12x = 86,667.37
  5. Step 5: Solve for x
    x = 86,667.37/255.12
  6. Step 6: Final answer
    x = 339.71

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.