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Finding the Fourth Proportional to 883.29, 1,324.38 and 444.02

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Solution

The fourth proportional to 883.29, 1,324.38 and 444.02 is: 665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.29 : 1,324.38 = 444.02 : x
  2. Step 2: Convert to fraction form
    883.29/1,324.38 = 444.02/x
  3. Step 3: Cross multiply
    883.29x = 1,324.38 × 444.02
  4. Step 4: Simplify right side
    883.29x = 588,044.59
  5. Step 5: Solve for x
    x = 588,044.59/883.29
  6. Step 6: Final answer
    x = 665.74

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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.