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Finding the Fourth Proportional to 982.53, 1,473.78 and 333.27

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Solution

The fourth proportional to 982.53, 1,473.78 and 333.27 is: 499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    982.53 : 1,473.78 = 333.27 : x
  2. Step 2: Convert to fraction form
    982.53/1,473.78 = 333.27/x
  3. Step 3: Cross multiply
    982.53x = 1,473.78 × 333.27
  4. Step 4: Simplify right side
    982.53x = 491,166.66
  5. Step 5: Solve for x
    x = 491,166.66/982.53
  6. Step 6: Final answer
    x = 499.90

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Double scale
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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.