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Finding the Fourth Proportional to 173.52, 258.73 and 171.39

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Solution

The fourth proportional to 173.52, 258.73 and 171.39 is: 255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.52 : 258.73 = 171.39 : x
  2. Step 2: Convert to fraction form
    173.52/258.73 = 171.39/x
  3. Step 3: Cross multiply
    173.52x = 258.73 × 171.39
  4. Step 4: Simplify right side
    173.52x = 44,345.24
  5. Step 5: Solve for x
    x = 44,345.24/173.52
  6. Step 6: Final answer
    x = 255.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.