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Finding the Fourth Proportional to 465.44, 694.82 and 396.22

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Solution

The fourth proportional to 465.44, 694.82 and 396.22 is: 591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.44 : 694.82 = 396.22 : x
  2. Step 2: Convert to fraction form
    465.44/694.82 = 396.22/x
  3. Step 3: Cross multiply
    465.44x = 694.82 × 396.22
  4. Step 4: Simplify right side
    465.44x = 275,301.58
  5. Step 5: Solve for x
    x = 275,301.58/465.44
  6. Step 6: Final answer
    x = 591.49

Related Problems

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.