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Finding the Fourth Proportional to 600.01, 828.30 and 403.84

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Solution

The fourth proportional to 600.01, 828.30 and 403.84 is: 557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.01 : 828.30 = 403.84 : x
  2. Step 2: Convert to fraction form
    600.01/828.30 = 403.84/x
  3. Step 3: Cross multiply
    600.01x = 828.30 × 403.84
  4. Step 4: Simplify right side
    600.01x = 334,500.67
  5. Step 5: Solve for x
    x = 334,500.67/600.01
  6. Step 6: Final answer
    x = 557.49

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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.