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Finding the Fourth Proportional to 288, 397.33 and 183.04

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Solution

The fourth proportional to 288, 397.33 and 183.04 is: 252.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    288 : 397.33 = 183.04 : x
  2. Step 2: Convert to fraction form
    288/397.33 = 183.04/x
  3. Step 3: Cross multiply
    288x = 397.33 × 183.04
  4. Step 4: Simplify right side
    288x = 72,725.83
  5. Step 5: Solve for x
    x = 72,725.83/288
  6. Step 6: Final answer
    x = 252.52

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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.