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Finding the Fourth Proportional to 179.85, 268.41 and 152.85

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Solution

The fourth proportional to 179.85, 268.41 and 152.85 is: 228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.85 : 268.41 = 152.85 : x
  2. Step 2: Convert to fraction form
    179.85/268.41 = 152.85/x
  3. Step 3: Cross multiply
    179.85x = 268.41 × 152.85
  4. Step 4: Simplify right side
    179.85x = 41,026.47
  5. Step 5: Solve for x
    x = 41,026.47/179.85
  6. Step 6: Final answer
    x = 228.11

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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.