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Finding the Fourth Proportional to 268.50, 401.99 and 176.92

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Solution

The fourth proportional to 268.50, 401.99 and 176.92 is: 264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.50 : 401.99 = 176.92 : x
  2. Step 2: Convert to fraction form
    268.50/401.99 = 176.92/x
  3. Step 3: Cross multiply
    268.50x = 401.99 × 176.92
  4. Step 4: Simplify right side
    268.50x = 71,118.18
  5. Step 5: Solve for x
    x = 71,118.18/268.50
  6. Step 6: Final answer
    x = 264.87

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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.