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Finding the Fourth Proportional to 173.49, 239.43 and 114.48

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Solution

The fourth proportional to 173.49, 239.43 and 114.48 is: 157.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.49 : 239.43 = 114.48 : x
  2. Step 2: Convert to fraction form
    173.49/239.43 = 114.48/x
  3. Step 3: Cross multiply
    173.49x = 239.43 × 114.48
  4. Step 4: Simplify right side
    173.49x = 27,409.95
  5. Step 5: Solve for x
    x = 27,409.95/173.49
  6. Step 6: Final answer
    x = 157.99

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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.