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Finding the Fourth Proportional to 600.75, 829.04 and 338.76

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Solution

The fourth proportional to 600.75, 829.04 and 338.76 is: 467.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.75 : 829.04 = 338.76 : x
  2. Step 2: Convert to fraction form
    600.75/829.04 = 338.76/x
  3. Step 3: Cross multiply
    600.75x = 829.04 × 338.76
  4. Step 4: Simplify right side
    600.75x = 280,843.90
  5. Step 5: Solve for x
    x = 280,843.90/600.75
  6. Step 6: Final answer
    x = 467.49

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Find fourth proportional to 300.38, 414.52 and 169.38
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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.