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Finding the Fourth Proportional to 173.53, 258.87 and 160.63

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Solution

The fourth proportional to 173.53, 258.87 and 160.63 is: 239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.53 : 258.87 = 160.63 : x
  2. Step 2: Convert to fraction form
    173.53/258.87 = 160.63/x
  3. Step 3: Cross multiply
    173.53x = 258.87 × 160.63
  4. Step 4: Simplify right side
    173.53x = 41,582.29
  5. Step 5: Solve for x
    x = 41,582.29/173.53
  6. Step 6: Final answer
    x = 239.63

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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.