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Finding the Fourth Proportional to 600.49, 828.75 and 338.56

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Solution

The fourth proportional to 600.49, 828.75 and 338.56 is: 467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.49 : 828.75 = 338.56 : x
  2. Step 2: Convert to fraction form
    600.49/828.75 = 338.56/x
  3. Step 3: Cross multiply
    600.49x = 828.75 × 338.56
  4. Step 4: Simplify right side
    600.49x = 280,581.60
  5. Step 5: Solve for x
    x = 280,581.60/600.49
  6. Step 6: Final answer
    x = 467.25

Related Problems

Find fourth proportional to 300.25, 414.38 and 169.28
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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.