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Finding the Fourth Proportional to 173.11, 260.60 and 158.23

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Solution

The fourth proportional to 173.11, 260.60 and 158.23 is: 238.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.11 : 260.60 = 158.23 : x
  2. Step 2: Convert to fraction form
    173.11/260.60 = 158.23/x
  3. Step 3: Cross multiply
    173.11x = 260.60 × 158.23
  4. Step 4: Simplify right side
    173.11x = 41,232.64
  5. Step 5: Solve for x
    x = 41,232.64/173.11
  6. Step 6: Final answer
    x = 238.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.