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Finding the Fourth Proportional to 359.22, 495.74 and 241.39

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Solution

The fourth proportional to 359.22, 495.74 and 241.39 is: 333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.22 : 495.74 = 241.39 : x
  2. Step 2: Convert to fraction form
    359.22/495.74 = 241.39/x
  3. Step 3: Cross multiply
    359.22x = 495.74 × 241.39
  4. Step 4: Simplify right side
    359.22x = 119,664.20
  5. Step 5: Solve for x
    x = 119,664.20/359.22
  6. Step 6: Final answer
    x = 333.13

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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.