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Finding the Fourth Proportional to 224.84, 335.34 and 220.94

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Solution

The fourth proportional to 224.84, 335.34 and 220.94 is: 329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.84 : 335.34 = 220.94 : x
  2. Step 2: Convert to fraction form
    224.84/335.34 = 220.94/x
  3. Step 3: Cross multiply
    224.84x = 335.34 × 220.94
  4. Step 4: Simplify right side
    224.84x = 74,090.02
  5. Step 5: Solve for x
    x = 74,090.02/224.84
  6. Step 6: Final answer
    x = 329.53

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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.