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Finding the Fourth Proportional to 1,196.66, 1,795.02 and 330.97

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Solution

The fourth proportional to 1,196.66, 1,795.02 and 330.97 is: 496.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.66 : 1,795.02 = 330.97 : x
  2. Step 2: Convert to fraction form
    1,196.66/1,795.02 = 330.97/x
  3. Step 3: Cross multiply
    1,196.66x = 1,795.02 × 330.97
  4. Step 4: Simplify right side
    1,196.66x = 594,101.25
  5. Step 5: Solve for x
    x = 594,101.25/1,196.66
  6. Step 6: Final answer
    x = 496.47

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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.