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Finding the Fourth Proportional to 414.92, 622.18 and 241.64

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Solution

The fourth proportional to 414.92, 622.18 and 241.64 is: 362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.92 : 622.18 = 241.64 : x
  2. Step 2: Convert to fraction form
    414.92/622.18 = 241.64/x
  3. Step 3: Cross multiply
    414.92x = 622.18 × 241.64
  4. Step 4: Simplify right side
    414.92x = 150,342.19
  5. Step 5: Solve for x
    x = 150,342.19/414.92
  6. Step 6: Final answer
    x = 362.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.