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Finding the Fourth Proportional to 238.08, 356.67 and 146.82

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Solution

The fourth proportional to 238.08, 356.67 and 146.82 is: 219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.08 : 356.67 = 146.82 : x
  2. Step 2: Convert to fraction form
    238.08/356.67 = 146.82/x
  3. Step 3: Cross multiply
    238.08x = 356.67 × 146.82
  4. Step 4: Simplify right side
    238.08x = 52,366.29
  5. Step 5: Solve for x
    x = 52,366.29/238.08
  6. Step 6: Final answer
    x = 219.95

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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.