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Finding the Fourth Proportional to 268.64, 403.07 and 182.07

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Solution

The fourth proportional to 268.64, 403.07 and 182.07 is: 273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.64 : 403.07 = 182.07 : x
  2. Step 2: Convert to fraction form
    268.64/403.07 = 182.07/x
  3. Step 3: Cross multiply
    268.64x = 403.07 × 182.07
  4. Step 4: Simplify right side
    268.64x = 73,384.03
  5. Step 5: Solve for x
    x = 73,384.03/268.64
  6. Step 6: Final answer
    x = 273.17

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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.