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Finding the Fourth Proportional to 414.93, 572.55 and 246.85

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Solution

The fourth proportional to 414.93, 572.55 and 246.85 is: 340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.93 : 572.55 = 246.85 : x
  2. Step 2: Convert to fraction form
    414.93/572.55 = 246.85/x
  3. Step 3: Cross multiply
    414.93x = 572.55 × 246.85
  4. Step 4: Simplify right side
    414.93x = 141,333.97
  5. Step 5: Solve for x
    x = 141,333.97/414.93
  6. Step 6: Final answer
    x = 340.62

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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.