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Finding the Fourth Proportional to 224.42, 335.38 and 180.60

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Solution

The fourth proportional to 224.42, 335.38 and 180.60 is: 269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.42 : 335.38 = 180.60 : x
  2. Step 2: Convert to fraction form
    224.42/335.38 = 180.60/x
  3. Step 3: Cross multiply
    224.42x = 335.38 × 180.60
  4. Step 4: Simplify right side
    224.42x = 60,569.63
  5. Step 5: Solve for x
    x = 60,569.63/224.42
  6. Step 6: Final answer
    x = 269.89

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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.