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Finding the Fourth Proportional to 233, 349.98 and 137

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Solution

The fourth proportional to 233, 349.98 and 137 is: 205.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    233 : 349.98 = 137 : x
  2. Step 2: Convert to fraction form
    233/349.98 = 137/x
  3. Step 3: Cross multiply
    233x = 349.98 × 137
  4. Step 4: Simplify right side
    233x = 47,947.26
  5. Step 5: Solve for x
    x = 47,947.26/233
  6. Step 6: Final answer
    x = 205.78

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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.