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Finding the Fourth Proportional to 226.93, 340.40 and 181.82

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Solution

The fourth proportional to 226.93, 340.40 and 181.82 is: 272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.93 : 340.40 = 181.82 : x
  2. Step 2: Convert to fraction form
    226.93/340.40 = 181.82/x
  3. Step 3: Cross multiply
    226.93x = 340.40 × 181.82
  4. Step 4: Simplify right side
    226.93x = 61,891.88
  5. Step 5: Solve for x
    x = 61,891.88/226.93
  6. Step 6: Final answer
    x = 272.74

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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.