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Finding the Fourth Proportional to 414.45, 571.94 and 237.39

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Solution

The fourth proportional to 414.45, 571.94 and 237.39 is: 327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.45 : 571.94 = 237.39 : x
  2. Step 2: Convert to fraction form
    414.45/571.94 = 237.39/x
  3. Step 3: Cross multiply
    414.45x = 571.94 × 237.39
  4. Step 4: Simplify right side
    414.45x = 135,771.65
  5. Step 5: Solve for x
    x = 135,771.65/414.45
  6. Step 6: Final answer
    x = 327.59

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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.