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Finding the Fourth Proportional to 178.52, 246.06 and 158.01

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Solution

The fourth proportional to 178.52, 246.06 and 158.01 is: 217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.52 : 246.06 = 158.01 : x
  2. Step 2: Convert to fraction form
    178.52/246.06 = 158.01/x
  3. Step 3: Cross multiply
    178.52x = 246.06 × 158.01
  4. Step 4: Simplify right side
    178.52x = 38,879.94
  5. Step 5: Solve for x
    x = 38,879.94/178.52
  6. Step 6: Final answer
    x = 217.80

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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.