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Finding the Fourth Proportional to 230.83, 344.43 and 229.48

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Solution

The fourth proportional to 230.83, 344.43 and 229.48 is: 342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.83 : 344.43 = 229.48 : x
  2. Step 2: Convert to fraction form
    230.83/344.43 = 229.48/x
  3. Step 3: Cross multiply
    230.83x = 344.43 × 229.48
  4. Step 4: Simplify right side
    230.83x = 79,037.79
  5. Step 5: Solve for x
    x = 79,037.79/230.83
  6. Step 6: Final answer
    x = 342.41

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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.