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Finding the Fourth Proportional to 173.63, 239.57 and 132.12

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Solution

The fourth proportional to 173.63, 239.57 and 132.12 is: 182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.63 : 239.57 = 132.12 : x
  2. Step 2: Convert to fraction form
    173.63/239.57 = 132.12/x
  3. Step 3: Cross multiply
    173.63x = 239.57 × 132.12
  4. Step 4: Simplify right side
    173.63x = 31,651.99
  5. Step 5: Solve for x
    x = 31,651.99/173.63
  6. Step 6: Final answer
    x = 182.30

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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.