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Finding the Fourth Proportional to 883.39, 1,323.98 and 673.59

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Solution

The fourth proportional to 883.39, 1,323.98 and 673.59 is: 1,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.39 : 1,323.98 = 673.59 : x
  2. Step 2: Convert to fraction form
    883.39/1,323.98 = 673.59/x
  3. Step 3: Cross multiply
    883.39x = 1,323.98 × 673.59
  4. Step 4: Simplify right side
    883.39x = 891,819.69
  5. Step 5: Solve for x
    x = 891,819.69/883.39
  6. Step 6: Final answer
    x = 1,009.54

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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.