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Finding the Fourth Proportional to 436.01, 600.12 and 394.47

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Solution

The fourth proportional to 436.01, 600.12 and 394.47 is: 542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.01 : 600.12 = 394.47 : x
  2. Step 2: Convert to fraction form
    436.01/600.12 = 394.47/x
  3. Step 3: Cross multiply
    436.01x = 600.12 × 394.47
  4. Step 4: Simplify right side
    436.01x = 236,729.34
  5. Step 5: Solve for x
    x = 236,729.34/436.01
  6. Step 6: Final answer
    x = 542.95

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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.