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Finding the Fourth Proportional to 174.60, 263.44 and 168.28

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Solution

The fourth proportional to 174.60, 263.44 and 168.28 is: 253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.60 : 263.44 = 168.28 : x
  2. Step 2: Convert to fraction form
    174.60/263.44 = 168.28/x
  3. Step 3: Cross multiply
    174.60x = 263.44 × 168.28
  4. Step 4: Simplify right side
    174.60x = 44,331.68
  5. Step 5: Solve for x
    x = 44,331.68/174.60
  6. Step 6: Final answer
    x = 253.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.