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Finding the Fourth Proportional to 229.53, 343.74 and 195.51

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Solution

The fourth proportional to 229.53, 343.74 and 195.51 is: 292.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.53 : 343.74 = 195.51 : x
  2. Step 2: Convert to fraction form
    229.53/343.74 = 195.51/x
  3. Step 3: Cross multiply
    229.53x = 343.74 × 195.51
  4. Step 4: Simplify right side
    229.53x = 67,204.61
  5. Step 5: Solve for x
    x = 67,204.61/229.53
  6. Step 6: Final answer
    x = 292.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.