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Finding the Fourth Proportional to 298.23, 446.95 and 160.98

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Solution

The fourth proportional to 298.23, 446.95 and 160.98 is: 241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.23 : 446.95 = 160.98 : x
  2. Step 2: Convert to fraction form
    298.23/446.95 = 160.98/x
  3. Step 3: Cross multiply
    298.23x = 446.95 × 160.98
  4. Step 4: Simplify right side
    298.23x = 71,950.01
  5. Step 5: Solve for x
    x = 71,950.01/298.23
  6. Step 6: Final answer
    x = 241.26

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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.