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Finding the Fourth Proportional to 268.91, 370.86 and 184.85

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Solution

The fourth proportional to 268.91, 370.86 and 184.85 is: 254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.91 : 370.86 = 184.85 : x
  2. Step 2: Convert to fraction form
    268.91/370.86 = 184.85/x
  3. Step 3: Cross multiply
    268.91x = 370.86 × 184.85
  4. Step 4: Simplify right side
    268.91x = 68,554.40
  5. Step 5: Solve for x
    x = 68,554.40/268.91
  6. Step 6: Final answer
    x = 254.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.