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Finding the Fourth Proportional to 179.78, 245.96 and 179.01

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Solution

The fourth proportional to 179.78, 245.96 and 179.01 is: 244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.78 : 245.96 = 179.01 : x
  2. Step 2: Convert to fraction form
    179.78/245.96 = 179.01/x
  3. Step 3: Cross multiply
    179.78x = 245.96 × 179.01
  4. Step 4: Simplify right side
    179.78x = 44,029.30
  5. Step 5: Solve for x
    x = 44,029.30/179.78
  6. Step 6: Final answer
    x = 244.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.