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Finding the Fourth Proportional to 179.64, 247.66 and 133.04

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Solution

The fourth proportional to 179.64, 247.66 and 133.04 is: 183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.64 : 247.66 = 133.04 : x
  2. Step 2: Convert to fraction form
    179.64/247.66 = 133.04/x
  3. Step 3: Cross multiply
    179.64x = 247.66 × 133.04
  4. Step 4: Simplify right side
    179.64x = 32,948.69
  5. Step 5: Solve for x
    x = 32,948.69/179.64
  6. Step 6: Final answer
    x = 183.42

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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.