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Finding the Fourth Proportional to 175.13, 241.81 and 136.52

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Solution

The fourth proportional to 175.13, 241.81 and 136.52 is: 188.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.13 : 241.81 = 136.52 : x
  2. Step 2: Convert to fraction form
    175.13/241.81 = 136.52/x
  3. Step 3: Cross multiply
    175.13x = 241.81 × 136.52
  4. Step 4: Simplify right side
    175.13x = 33,010.35
  5. Step 5: Solve for x
    x = 33,010.35/175.13
  6. Step 6: Final answer
    x = 188.50

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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.