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Finding the Fourth Proportional to 268.53, 370.95 and 235.27

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Solution

The fourth proportional to 268.53, 370.95 and 235.27 is: 325.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.53 : 370.95 = 235.27 : x
  2. Step 2: Convert to fraction form
    268.53/370.95 = 235.27/x
  3. Step 3: Cross multiply
    268.53x = 370.95 × 235.27
  4. Step 4: Simplify right side
    268.53x = 87,274.97
  5. Step 5: Solve for x
    x = 87,274.97/268.53
  6. Step 6: Final answer
    x = 325.01

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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.