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Finding the Fourth Proportional to 249.84, 376.74 and 229.68

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Solution

The fourth proportional to 249.84, 376.74 and 229.68 is: 346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.84 : 376.74 = 229.68 : x
  2. Step 2: Convert to fraction form
    249.84/376.74 = 229.68/x
  3. Step 3: Cross multiply
    249.84x = 376.74 × 229.68
  4. Step 4: Simplify right side
    249.84x = 86,529.64
  5. Step 5: Solve for x
    x = 86,529.64/249.84
  6. Step 6: Final answer
    x = 346.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.