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Finding the Fourth Proportional to 367.91, 552 and 151.51

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Solution

The fourth proportional to 367.91, 552 and 151.51 is: 227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.91 : 552 = 151.51 : x
  2. Step 2: Convert to fraction form
    367.91/552 = 151.51/x
  3. Step 3: Cross multiply
    367.91x = 552 × 151.51
  4. Step 4: Simplify right side
    367.91x = 83,633.52
  5. Step 5: Solve for x
    x = 83,633.52/367.91
  6. Step 6: Final answer
    x = 227.32

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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.