Home / 1,196.96-1,795.50-331.28

Finding the Fourth Proportional to 1,196.96, 1,795.50 and 331.28

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Solution

The fourth proportional to 1,196.96, 1,795.50 and 331.28 is: 496.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.96 : 1,795.50 = 331.28 : x
  2. Step 2: Convert to fraction form
    1,196.96/1,795.50 = 331.28/x
  3. Step 3: Cross multiply
    1,196.96x = 1,795.50 × 331.28
  4. Step 4: Simplify right side
    1,196.96x = 594,813.24
  5. Step 5: Solve for x
    x = 594,813.24/1,196.96
  6. Step 6: Final answer
    x = 496.94

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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.