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Finding the Fourth Proportional to 179.21, 248.97 and 177.53

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Solution

The fourth proportional to 179.21, 248.97 and 177.53 is: 246.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.21 : 248.97 = 177.53 : x
  2. Step 2: Convert to fraction form
    179.21/248.97 = 177.53/x
  3. Step 3: Cross multiply
    179.21x = 248.97 × 177.53
  4. Step 4: Simplify right side
    179.21x = 44,199.06
  5. Step 5: Solve for x
    x = 44,199.06/179.21
  6. Step 6: Final answer
    x = 246.63

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.