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Finding the Fourth Proportional to 238.49, 328.59 and 183.04

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Solution

The fourth proportional to 238.49, 328.59 and 183.04 is: 252.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.49 : 328.59 = 183.04 : x
  2. Step 2: Convert to fraction form
    238.49/328.59 = 183.04/x
  3. Step 3: Cross multiply
    238.49x = 328.59 × 183.04
  4. Step 4: Simplify right side
    238.49x = 60,144.29
  5. Step 5: Solve for x
    x = 60,144.29/238.49
  6. Step 6: Final answer
    x = 252.19

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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.