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Finding the Fourth Proportional to 175.19, 241.25 and 156.77

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Solution

The fourth proportional to 175.19, 241.25 and 156.77 is: 215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.19 : 241.25 = 156.77 : x
  2. Step 2: Convert to fraction form
    175.19/241.25 = 156.77/x
  3. Step 3: Cross multiply
    175.19x = 241.25 × 156.77
  4. Step 4: Simplify right side
    175.19x = 37,818.77
  5. Step 5: Solve for x
    x = 37,818.77/175.19
  6. Step 6: Final answer
    x = 215.88

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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.