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Finding the Fourth Proportional to 423.89, 584.97 and 237.39

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Solution

The fourth proportional to 423.89, 584.97 and 237.39 is: 327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.89 : 584.97 = 237.39 : x
  2. Step 2: Convert to fraction form
    423.89/584.97 = 237.39/x
  3. Step 3: Cross multiply
    423.89x = 584.97 × 237.39
  4. Step 4: Simplify right side
    423.89x = 138,866.03
  5. Step 5: Solve for x
    x = 138,866.03/423.89
  6. Step 6: Final answer
    x = 327.60

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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.