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Finding the Fourth Proportional to 367.81, 551.97 and 230.96

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Solution

The fourth proportional to 367.81, 551.97 and 230.96 is: 346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.81 : 551.97 = 230.96 : x
  2. Step 2: Convert to fraction form
    367.81/551.97 = 230.96/x
  3. Step 3: Cross multiply
    367.81x = 551.97 × 230.96
  4. Step 4: Simplify right side
    367.81x = 127,482.99
  5. Step 5: Solve for x
    x = 127,482.99/367.81
  6. Step 6: Final answer
    x = 346.60

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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.