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Finding the Fourth Proportional to 224.48, 310 and 169.60

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Solution

The fourth proportional to 224.48, 310 and 169.60 is: 234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.48 : 310 = 169.60 : x
  2. Step 2: Convert to fraction form
    224.48/310 = 169.60/x
  3. Step 3: Cross multiply
    224.48x = 310 × 169.60
  4. Step 4: Simplify right side
    224.48x = 52,576
  5. Step 5: Solve for x
    x = 52,576/224.48
  6. Step 6: Final answer
    x = 234.21

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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.