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Finding the Fourth Proportional to 423.94, 584.94 and 249.34

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Solution

The fourth proportional to 423.94, 584.94 and 249.34 is: 344.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.94 : 584.94 = 249.34 : x
  2. Step 2: Convert to fraction form
    423.94/584.94 = 249.34/x
  3. Step 3: Cross multiply
    423.94x = 584.94 × 249.34
  4. Step 4: Simplify right side
    423.94x = 145,848.94
  5. Step 5: Solve for x
    x = 145,848.94/423.94
  6. Step 6: Final answer
    x = 344.03

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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.