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Finding the Fourth Proportional to 226.40, 337.37 and 216.27

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Solution

The fourth proportional to 226.40, 337.37 and 216.27 is: 322.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.40 : 337.37 = 216.27 : x
  2. Step 2: Convert to fraction form
    226.40/337.37 = 216.27/x
  3. Step 3: Cross multiply
    226.40x = 337.37 × 216.27
  4. Step 4: Simplify right side
    226.40x = 72,961.93
  5. Step 5: Solve for x
    x = 72,961.93/226.40
  6. Step 6: Final answer
    x = 322.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.