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Finding the Fourth Proportional to 367.36, 551.25 and 251.93

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Solution

The fourth proportional to 367.36, 551.25 and 251.93 is: 378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.36 : 551.25 = 251.93 : x
  2. Step 2: Convert to fraction form
    367.36/551.25 = 251.93/x
  3. Step 3: Cross multiply
    367.36x = 551.25 × 251.93
  4. Step 4: Simplify right side
    367.36x = 138,877.79
  5. Step 5: Solve for x
    x = 138,877.79/367.36
  6. Step 6: Final answer
    x = 378.05

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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.