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Finding the Fourth Proportional to 336.88, 464.89 and 226.18

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Solution

The fourth proportional to 336.88, 464.89 and 226.18 is: 312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.88 : 464.89 = 226.18 : x
  2. Step 2: Convert to fraction form
    336.88/464.89 = 226.18/x
  3. Step 3: Cross multiply
    336.88x = 464.89 × 226.18
  4. Step 4: Simplify right side
    336.88x = 105,148.82
  5. Step 5: Solve for x
    x = 105,148.82/336.88
  6. Step 6: Final answer
    x = 312.13

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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.