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Finding the Fourth Proportional to 175.48, 240.23 and 174.28

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Solution

The fourth proportional to 175.48, 240.23 and 174.28 is: 238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.48 : 240.23 = 174.28 : x
  2. Step 2: Convert to fraction form
    175.48/240.23 = 174.28/x
  3. Step 3: Cross multiply
    175.48x = 240.23 × 174.28
  4. Step 4: Simplify right side
    175.48x = 41,867.28
  5. Step 5: Solve for x
    x = 41,867.28/175.48
  6. Step 6: Final answer
    x = 238.59

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.