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Finding the Fourth Proportional to 696.28, 965.46 and 673.15

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Solution

The fourth proportional to 696.28, 965.46 and 673.15 is: 933.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.28 : 965.46 = 673.15 : x
  2. Step 2: Convert to fraction form
    696.28/965.46 = 673.15/x
  3. Step 3: Cross multiply
    696.28x = 965.46 × 673.15
  4. Step 4: Simplify right side
    696.28x = 649,896.03
  5. Step 5: Solve for x
    x = 649,896.03/696.28
  6. Step 6: Final answer
    x = 933.38

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.