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Finding the Fourth Proportional to 175.80, 263.75 and 60.26

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Solution

The fourth proportional to 175.80, 263.75 and 60.26 is: 90.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.80 : 263.75 = 60.26 : x
  2. Step 2: Convert to fraction form
    175.80/263.75 = 60.26/x
  3. Step 3: Cross multiply
    175.80x = 263.75 × 60.26
  4. Step 4: Simplify right side
    175.80x = 15,893.93
  5. Step 5: Solve for x
    x = 15,893.93/175.80
  6. Step 6: Final answer
    x = 90.41

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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.