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Finding the Fourth Proportional to 600.12, 828.54 and 393.24

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Solution

The fourth proportional to 600.12, 828.54 and 393.24 is: 542.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.12 : 828.54 = 393.24 : x
  2. Step 2: Convert to fraction form
    600.12/828.54 = 393.24/x
  3. Step 3: Cross multiply
    600.12x = 828.54 × 393.24
  4. Step 4: Simplify right side
    600.12x = 325,815.07
  5. Step 5: Solve for x
    x = 325,815.07/600.12
  6. Step 6: Final answer
    x = 542.92

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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.