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Finding the Fourth Proportional to 268.15, 372.57 and 264.81

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Solution

The fourth proportional to 268.15, 372.57 and 264.81 is: 367.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.15 : 372.57 = 264.81 : x
  2. Step 2: Convert to fraction form
    268.15/372.57 = 264.81/x
  3. Step 3: Cross multiply
    268.15x = 372.57 × 264.81
  4. Step 4: Simplify right side
    268.15x = 98,660.26
  5. Step 5: Solve for x
    x = 98,660.26/268.15
  6. Step 6: Final answer
    x = 367.93

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.