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Finding the Fourth Proportional to 179.04, 268.58 and 106.90

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Solution

The fourth proportional to 179.04, 268.58 and 106.90 is: 160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.04 : 268.58 = 106.90 : x
  2. Step 2: Convert to fraction form
    179.04/268.58 = 106.90/x
  3. Step 3: Cross multiply
    179.04x = 268.58 × 106.90
  4. Step 4: Simplify right side
    179.04x = 28,711.20
  5. Step 5: Solve for x
    x = 28,711.20/179.04
  6. Step 6: Final answer
    x = 160.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.