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Finding the Fourth Proportional to 426.19, 588.12 and 268.85

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Solution

The fourth proportional to 426.19, 588.12 and 268.85 is: 371.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    426.19 : 588.12 = 268.85 : x
  2. Step 2: Convert to fraction form
    426.19/588.12 = 268.85/x
  3. Step 3: Cross multiply
    426.19x = 588.12 × 268.85
  4. Step 4: Simplify right side
    426.19x = 158,116.06
  5. Step 5: Solve for x
    x = 158,116.06/426.19
  6. Step 6: Final answer
    x = 371.00

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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.