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Finding the Fourth Proportional to 179.98, 268.82 and 155.68

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Solution

The fourth proportional to 179.98, 268.82 and 155.68 is: 232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.98 : 268.82 = 155.68 : x
  2. Step 2: Convert to fraction form
    179.98/268.82 = 155.68/x
  3. Step 3: Cross multiply
    179.98x = 268.82 × 155.68
  4. Step 4: Simplify right side
    179.98x = 41,848.45
  5. Step 5: Solve for x
    x = 41,848.45/179.98
  6. Step 6: Final answer
    x = 232.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.