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Finding the Fourth Proportional to 250.05, 344.79 and 213.33

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Solution

The fourth proportional to 250.05, 344.79 and 213.33 is: 294.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.05 : 344.79 = 213.33 : x
  2. Step 2: Convert to fraction form
    250.05/344.79 = 213.33/x
  3. Step 3: Cross multiply
    250.05x = 344.79 × 213.33
  4. Step 4: Simplify right side
    250.05x = 73,554.05
  5. Step 5: Solve for x
    x = 73,554.05/250.05
  6. Step 6: Final answer
    x = 294.16

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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.