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Finding the Fourth Proportional to 600.76, 828.80 and 367.75

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Solution

The fourth proportional to 600.76, 828.80 and 367.75 is: 507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.76 : 828.80 = 367.75 : x
  2. Step 2: Convert to fraction form
    600.76/828.80 = 367.75/x
  3. Step 3: Cross multiply
    600.76x = 828.80 × 367.75
  4. Step 4: Simplify right side
    600.76x = 304,789.36
  5. Step 5: Solve for x
    x = 304,789.36/600.76
  6. Step 6: Final answer
    x = 507.34

Related Problems

Find fourth proportional to 300.38, 414.40 and 183.88
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.