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Finding the Fourth Proportional to 395.25, 592.26 and 151.65

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Solution

The fourth proportional to 395.25, 592.26 and 151.65 is: 227.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.25 : 592.26 = 151.65 : x
  2. Step 2: Convert to fraction form
    395.25/592.26 = 151.65/x
  3. Step 3: Cross multiply
    395.25x = 592.26 × 151.65
  4. Step 4: Simplify right side
    395.25x = 89,816.23
  5. Step 5: Solve for x
    x = 89,816.23/395.25
  6. Step 6: Final answer
    x = 227.24

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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.