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Finding the Fourth Proportional to 395.17, 592.60 and 151.66

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Solution

The fourth proportional to 395.17, 592.60 and 151.66 is: 227.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.17 : 592.60 = 151.66 : x
  2. Step 2: Convert to fraction form
    395.17/592.60 = 151.66/x
  3. Step 3: Cross multiply
    395.17x = 592.60 × 151.66
  4. Step 4: Simplify right side
    395.17x = 89,873.72
  5. Step 5: Solve for x
    x = 89,873.72/395.17
  6. Step 6: Final answer
    x = 227.43

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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.