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Finding the Fourth Proportional to 238.34, 327.93 and 207.17

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Solution

The fourth proportional to 238.34, 327.93 and 207.17 is: 285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.34 : 327.93 = 207.17 : x
  2. Step 2: Convert to fraction form
    238.34/327.93 = 207.17/x
  3. Step 3: Cross multiply
    238.34x = 327.93 × 207.17
  4. Step 4: Simplify right side
    238.34x = 67,937.26
  5. Step 5: Solve for x
    x = 67,937.26/238.34
  6. Step 6: Final answer
    x = 285.04

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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.