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Finding the Fourth Proportional to 224.84, 310.37 and 159.50

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Solution

The fourth proportional to 224.84, 310.37 and 159.50 is: 220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.84 : 310.37 = 159.50 : x
  2. Step 2: Convert to fraction form
    224.84/310.37 = 159.50/x
  3. Step 3: Cross multiply
    224.84x = 310.37 × 159.50
  4. Step 4: Simplify right side
    224.84x = 49,501.67
  5. Step 5: Solve for x
    x = 49,501.67/224.84
  6. Step 6: Final answer
    x = 220.17

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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.