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Finding the Fourth Proportional to 423.44, 584.52 and 268.16

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Solution

The fourth proportional to 423.44, 584.52 and 268.16 is: 370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.44 : 584.52 = 268.16 : x
  2. Step 2: Convert to fraction form
    423.44/584.52 = 268.16/x
  3. Step 3: Cross multiply
    423.44x = 584.52 × 268.16
  4. Step 4: Simplify right side
    423.44x = 156,744.88
  5. Step 5: Solve for x
    x = 156,744.88/423.44
  6. Step 6: Final answer
    x = 370.17

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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.