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Finding the Fourth Proportional to 952.80, 1,314.45 and 673.27

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Solution

The fourth proportional to 952.80, 1,314.45 and 673.27 is: 928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.80 : 1,314.45 = 673.27 : x
  2. Step 2: Convert to fraction form
    952.80/1,314.45 = 673.27/x
  3. Step 3: Cross multiply
    952.80x = 1,314.45 × 673.27
  4. Step 4: Simplify right side
    952.80x = 884,987.60
  5. Step 5: Solve for x
    x = 884,987.60/952.80
  6. Step 6: Final answer
    x = 928.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.