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Finding the Fourth Proportional to 414.48, 622.26 and 350.76

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Solution

The fourth proportional to 414.48, 622.26 and 350.76 is: 526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.48 : 622.26 = 350.76 : x
  2. Step 2: Convert to fraction form
    414.48/622.26 = 350.76/x
  3. Step 3: Cross multiply
    414.48x = 622.26 × 350.76
  4. Step 4: Simplify right side
    414.48x = 218,263.92
  5. Step 5: Solve for x
    x = 218,263.92/414.48
  6. Step 6: Final answer
    x = 526.60

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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.