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Finding the Fourth Proportional to 173.36, 258.82 and 170.48

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Solution

The fourth proportional to 173.36, 258.82 and 170.48 is: 254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.36 : 258.82 = 170.48 : x
  2. Step 2: Convert to fraction form
    173.36/258.82 = 170.48/x
  3. Step 3: Cross multiply
    173.36x = 258.82 × 170.48
  4. Step 4: Simplify right side
    173.36x = 44,123.63
  5. Step 5: Solve for x
    x = 44,123.63/173.36
  6. Step 6: Final answer
    x = 254.52

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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.