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Finding the Fourth Proportional to 238.32, 356.81 and 184.32

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Solution

The fourth proportional to 238.32, 356.81 and 184.32 is: 275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.32 : 356.81 = 184.32 : x
  2. Step 2: Convert to fraction form
    238.32/356.81 = 184.32/x
  3. Step 3: Cross multiply
    238.32x = 356.81 × 184.32
  4. Step 4: Simplify right side
    238.32x = 65,766.30
  5. Step 5: Solve for x
    x = 65,766.30/238.32
  6. Step 6: Final answer
    x = 275.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.