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Finding the Fourth Proportional to 178.15, 246.03 and 147.37

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Solution

The fourth proportional to 178.15, 246.03 and 147.37 is: 203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.15 : 246.03 = 147.37 : x
  2. Step 2: Convert to fraction form
    178.15/246.03 = 147.37/x
  3. Step 3: Cross multiply
    178.15x = 246.03 × 147.37
  4. Step 4: Simplify right side
    178.15x = 36,257.44
  5. Step 5: Solve for x
    x = 36,257.44/178.15
  6. Step 6: Final answer
    x = 203.52

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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.