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Finding the Fourth Proportional to 179.64, 248.04 and 150.48

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Solution

The fourth proportional to 179.64, 248.04 and 150.48 is: 207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.64 : 248.04 = 150.48 : x
  2. Step 2: Convert to fraction form
    179.64/248.04 = 150.48/x
  3. Step 3: Cross multiply
    179.64x = 248.04 × 150.48
  4. Step 4: Simplify right side
    179.64x = 37,325.06
  5. Step 5: Solve for x
    x = 37,325.06/179.64
  6. Step 6: Final answer
    x = 207.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.