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Finding the Fourth Proportional to 426.52, 588.78 and 333.52

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Solution

The fourth proportional to 426.52, 588.78 and 333.52 is: 460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    426.52 : 588.78 = 333.52 : x
  2. Step 2: Convert to fraction form
    426.52/588.78 = 333.52/x
  3. Step 3: Cross multiply
    426.52x = 588.78 × 333.52
  4. Step 4: Simplify right side
    426.52x = 196,369.91
  5. Step 5: Solve for x
    x = 196,369.91/426.52
  6. Step 6: Final answer
    x = 460.40

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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.