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Finding the Fourth Proportional to 233.71, 349.94 and 190.20

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Solution

The fourth proportional to 233.71, 349.94 and 190.20 is: 284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.71 : 349.94 = 190.20 : x
  2. Step 2: Convert to fraction form
    233.71/349.94 = 190.20/x
  3. Step 3: Cross multiply
    233.71x = 349.94 × 190.20
  4. Step 4: Simplify right side
    233.71x = 66,559.39
  5. Step 5: Solve for x
    x = 66,559.39/233.71
  6. Step 6: Final answer
    x = 284.79

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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.