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Finding the Fourth Proportional to 268.04, 370.78 and 250.62

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Solution

The fourth proportional to 268.04, 370.78 and 250.62 is: 346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.04 : 370.78 = 250.62 : x
  2. Step 2: Convert to fraction form
    268.04/370.78 = 250.62/x
  3. Step 3: Cross multiply
    268.04x = 370.78 × 250.62
  4. Step 4: Simplify right side
    268.04x = 92,924.88
  5. Step 5: Solve for x
    x = 92,924.88/268.04
  6. Step 6: Final answer
    x = 346.68

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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.