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Finding the Fourth Proportional to 403.08, 600.33 and 393.54

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Solution

The fourth proportional to 403.08, 600.33 and 393.54 is: 586.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.08 : 600.33 = 393.54 : x
  2. Step 2: Convert to fraction form
    403.08/600.33 = 393.54/x
  3. Step 3: Cross multiply
    403.08x = 600.33 × 393.54
  4. Step 4: Simplify right side
    403.08x = 236,253.87
  5. Step 5: Solve for x
    x = 236,253.87/403.08
  6. Step 6: Final answer
    x = 586.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.