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Finding the Fourth Proportional to 600.04, 828.20 and 400.92

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Solution

The fourth proportional to 600.04, 828.20 and 400.92 is: 553.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.04 : 828.20 = 400.92 : x
  2. Step 2: Convert to fraction form
    600.04/828.20 = 400.92/x
  3. Step 3: Cross multiply
    600.04x = 828.20 × 400.92
  4. Step 4: Simplify right side
    600.04x = 332,041.94
  5. Step 5: Solve for x
    x = 332,041.94/600.04
  6. Step 6: Final answer
    x = 553.37

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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.