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Finding the Fourth Proportional to 484.44, 668.38 and 344.44

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Solution

The fourth proportional to 484.44, 668.38 and 344.44 is: 475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.44 : 668.38 = 344.44 : x
  2. Step 2: Convert to fraction form
    484.44/668.38 = 344.44/x
  3. Step 3: Cross multiply
    484.44x = 668.38 × 344.44
  4. Step 4: Simplify right side
    484.44x = 230,216.81
  5. Step 5: Solve for x
    x = 230,216.81/484.44
  6. Step 6: Final answer
    x = 475.22

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