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Finding the Fourth Proportional to 268.15, 401.73 and 233.50

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Solution

The fourth proportional to 268.15, 401.73 and 233.50 is: 349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.15 : 401.73 = 233.50 : x
  2. Step 2: Convert to fraction form
    268.15/401.73 = 233.50/x
  3. Step 3: Cross multiply
    268.15x = 401.73 × 233.50
  4. Step 4: Simplify right side
    268.15x = 93,803.96
  5. Step 5: Solve for x
    x = 93,803.96/268.15
  6. Step 6: Final answer
    x = 349.82

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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.