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Finding the Fourth Proportional to 306.41, 458.60 and 226.82

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Solution

The fourth proportional to 306.41, 458.60 and 226.82 is: 339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    306.41 : 458.60 = 226.82 : x
  2. Step 2: Convert to fraction form
    306.41/458.60 = 226.82/x
  3. Step 3: Cross multiply
    306.41x = 458.60 × 226.82
  4. Step 4: Simplify right side
    306.41x = 104,019.66
  5. Step 5: Solve for x
    x = 104,019.66/306.41
  6. Step 6: Final answer
    x = 339.48

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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.