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Finding the Fourth Proportional to 173.24, 239.10 and 118.16

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Solution

The fourth proportional to 173.24, 239.10 and 118.16 is: 163.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.24 : 239.10 = 118.16 : x
  2. Step 2: Convert to fraction form
    173.24/239.10 = 118.16/x
  3. Step 3: Cross multiply
    173.24x = 239.10 × 118.16
  4. Step 4: Simplify right side
    173.24x = 28,252.06
  5. Step 5: Solve for x
    x = 28,252.06/173.24
  6. Step 6: Final answer
    x = 163.08

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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.