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Finding the Fourth Proportional to 175.41, 262.49 and 141.21

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Solution

The fourth proportional to 175.41, 262.49 and 141.21 is: 211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.41 : 262.49 = 141.21 : x
  2. Step 2: Convert to fraction form
    175.41/262.49 = 141.21/x
  3. Step 3: Cross multiply
    175.41x = 262.49 × 141.21
  4. Step 4: Simplify right side
    175.41x = 37,065.51
  5. Step 5: Solve for x
    x = 37,065.51/175.41
  6. Step 6: Final answer
    x = 211.31

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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.