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Finding the Fourth Proportional to 350.87, 484.38 and 226.71

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Solution

The fourth proportional to 350.87, 484.38 and 226.71 is: 312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.87 : 484.38 = 226.71 : x
  2. Step 2: Convert to fraction form
    350.87/484.38 = 226.71/x
  3. Step 3: Cross multiply
    350.87x = 484.38 × 226.71
  4. Step 4: Simplify right side
    350.87x = 109,813.79
  5. Step 5: Solve for x
    x = 109,813.79/350.87
  6. Step 6: Final answer
    x = 312.98

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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.