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Finding the Fourth Proportional to 224.89, 310.49 and 214.00

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Solution

The fourth proportional to 224.89, 310.49 and 214.00 is: 295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.89 : 310.49 = 214.00 : x
  2. Step 2: Convert to fraction form
    224.89/310.49 = 214.00/x
  3. Step 3: Cross multiply
    224.89x = 310.49 × 214.00
  4. Step 4: Simplify right side
    224.89x = 66,446.18
  5. Step 5: Solve for x
    x = 66,446.18/224.89
  6. Step 6: Final answer
    x = 295.46

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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.