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Finding the Fourth Proportional to 173.16, 259.73 and 118.89

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Solution

The fourth proportional to 173.16, 259.73 and 118.89 is: 178.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.16 : 259.73 = 118.89 : x
  2. Step 2: Convert to fraction form
    173.16/259.73 = 118.89/x
  3. Step 3: Cross multiply
    173.16x = 259.73 × 118.89
  4. Step 4: Simplify right side
    173.16x = 30,878.30
  5. Step 5: Solve for x
    x = 30,878.30/173.16
  6. Step 6: Final answer
    x = 178.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.