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Finding the Fourth Proportional to 175.23, 262.60 and 97.18

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Solution

The fourth proportional to 175.23, 262.60 and 97.18 is: 145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.23 : 262.60 = 97.18 : x
  2. Step 2: Convert to fraction form
    175.23/262.60 = 97.18/x
  3. Step 3: Cross multiply
    175.23x = 262.60 × 97.18
  4. Step 4: Simplify right side
    175.23x = 25,519.21
  5. Step 5: Solve for x
    x = 25,519.21/175.23
  6. Step 6: Final answer
    x = 145.63

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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.