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Finding the Fourth Proportional to 436.05, 601.80 and 249.57

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Solution

The fourth proportional to 436.05, 601.80 and 249.57 is: 344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.05 : 601.80 = 249.57 : x
  2. Step 2: Convert to fraction form
    436.05/601.80 = 249.57/x
  3. Step 3: Cross multiply
    436.05x = 601.80 × 249.57
  4. Step 4: Simplify right side
    436.05x = 150,191.23
  5. Step 5: Solve for x
    x = 150,191.23/436.05
  6. Step 6: Final answer
    x = 344.44

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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.