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Finding the Fourth Proportional to 224.16, 308.87 and 174.95

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Solution

The fourth proportional to 224.16, 308.87 and 174.95 is: 241.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.16 : 308.87 = 174.95 : x
  2. Step 2: Convert to fraction form
    224.16/308.87 = 174.95/x
  3. Step 3: Cross multiply
    224.16x = 308.87 × 174.95
  4. Step 4: Simplify right side
    224.16x = 54,036.81
  5. Step 5: Solve for x
    x = 54,036.81/224.16
  6. Step 6: Final answer
    x = 241.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.