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Finding the Fourth Proportional to 359.37, 538.38 and 250.92

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Solution

The fourth proportional to 359.37, 538.38 and 250.92 is: 375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.37 : 538.38 = 250.92 : x
  2. Step 2: Convert to fraction form
    359.37/538.38 = 250.92/x
  3. Step 3: Cross multiply
    359.37x = 538.38 × 250.92
  4. Step 4: Simplify right side
    359.37x = 135,090.31
  5. Step 5: Solve for x
    x = 135,090.31/359.37
  6. Step 6: Final answer
    x = 375.91

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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.