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Finding the Fourth Proportional to 1,193.72, 1,788.30 and 932.49

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Solution

The fourth proportional to 1,193.72, 1,788.30 and 932.49 is: 1,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.72 : 1,788.30 = 932.49 : x
  2. Step 2: Convert to fraction form
    1,193.72/1,788.30 = 932.49/x
  3. Step 3: Cross multiply
    1,193.72x = 1,788.30 × 932.49
  4. Step 4: Simplify right side
    1,193.72x = 1,667,571.87
  5. Step 5: Solve for x
    x = 1,667,571.87/1,193.72
  6. Step 6: Final answer
    x = 1,396.96

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1.5x scale

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.