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Finding the Fourth Proportional to 395.18, 592.72 and 160.99

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Solution

The fourth proportional to 395.18, 592.72 and 160.99 is: 241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.18 : 592.72 = 160.99 : x
  2. Step 2: Convert to fraction form
    395.18/592.72 = 160.99/x
  3. Step 3: Cross multiply
    395.18x = 592.72 × 160.99
  4. Step 4: Simplify right side
    395.18x = 95,420.11
  5. Step 5: Solve for x
    x = 95,420.11/395.18
  6. Step 6: Final answer
    x = 241.46

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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.