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Finding the Fourth Proportional to 175.26, 241.77 and 109.65

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Solution

The fourth proportional to 175.26, 241.77 and 109.65 is: 151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.26 : 241.77 = 109.65 : x
  2. Step 2: Convert to fraction form
    175.26/241.77 = 109.65/x
  3. Step 3: Cross multiply
    175.26x = 241.77 × 109.65
  4. Step 4: Simplify right side
    175.26x = 26,510.08
  5. Step 5: Solve for x
    x = 26,510.08/175.26
  6. Step 6: Final answer
    x = 151.26

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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.