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Finding the Fourth Proportional to 175.83, 263.92 and 134.31

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Solution

The fourth proportional to 175.83, 263.92 and 134.31 is: 201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.83 : 263.92 = 134.31 : x
  2. Step 2: Convert to fraction form
    175.83/263.92 = 134.31/x
  3. Step 3: Cross multiply
    175.83x = 263.92 × 134.31
  4. Step 4: Simplify right side
    175.83x = 35,447.10
  5. Step 5: Solve for x
    x = 35,447.10/175.83
  6. Step 6: Final answer
    x = 201.60

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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.