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Finding the Fourth Proportional to 883.11, 1,324.86 and 335.55

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Solution

The fourth proportional to 883.11, 1,324.86 and 335.55 is: 503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.11 : 1,324.86 = 335.55 : x
  2. Step 2: Convert to fraction form
    883.11/1,324.86 = 335.55/x
  3. Step 3: Cross multiply
    883.11x = 1,324.86 × 335.55
  4. Step 4: Simplify right side
    883.11x = 444,556.77
  5. Step 5: Solve for x
    x = 444,556.77/883.11
  6. Step 6: Final answer
    x = 503.40

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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.