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Finding the Fourth Proportional to 224.70, 310.02 and 141.74

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Solution

The fourth proportional to 224.70, 310.02 and 141.74 is: 195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.70 : 310.02 = 141.74 : x
  2. Step 2: Convert to fraction form
    224.70/310.02 = 141.74/x
  3. Step 3: Cross multiply
    224.70x = 310.02 × 141.74
  4. Step 4: Simplify right side
    224.70x = 43,940.68
  5. Step 5: Solve for x
    x = 43,940.68/224.70
  6. Step 6: Final answer
    x = 195.55

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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.