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Finding the Fourth Proportional to 952.38, 1,314.25 and 672.31

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Solution

The fourth proportional to 952.38, 1,314.25 and 672.31 is: 927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.38 : 1,314.25 = 672.31 : x
  2. Step 2: Convert to fraction form
    952.38/1,314.25 = 672.31/x
  3. Step 3: Cross multiply
    952.38x = 1,314.25 × 672.31
  4. Step 4: Simplify right side
    952.38x = 883,583.42
  5. Step 5: Solve for x
    x = 883,583.42/952.38
  6. Step 6: Final answer
    x = 927.76

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Half scale
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Double scale
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1.5x scale

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.