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Finding the Fourth Proportional to 350.87, 484.38 and 226.80

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Solution

The fourth proportional to 350.87, 484.38 and 226.80 is: 313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.87 : 484.38 = 226.80 : x
  2. Step 2: Convert to fraction form
    350.87/484.38 = 226.80/x
  3. Step 3: Cross multiply
    350.87x = 484.38 × 226.80
  4. Step 4: Simplify right side
    350.87x = 109,857.38
  5. Step 5: Solve for x
    x = 109,857.38/350.87
  6. Step 6: Final answer
    x = 313.10

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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.