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Finding the Fourth Proportional to 299.16, 446.58 and 237.74

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Solution

The fourth proportional to 299.16, 446.58 and 237.74 is: 354.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.16 : 446.58 = 237.74 : x
  2. Step 2: Convert to fraction form
    299.16/446.58 = 237.74/x
  3. Step 3: Cross multiply
    299.16x = 446.58 × 237.74
  4. Step 4: Simplify right side
    299.16x = 106,167.70
  5. Step 5: Solve for x
    x = 106,167.70/299.16
  6. Step 6: Final answer
    x = 354.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.