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Finding the Fourth Proportional to 426.14, 588.03 and 251.45

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Solution

The fourth proportional to 426.14, 588.03 and 251.45 is: 346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    426.14 : 588.03 = 251.45 : x
  2. Step 2: Convert to fraction form
    426.14/588.03 = 251.45/x
  3. Step 3: Cross multiply
    426.14x = 588.03 × 251.45
  4. Step 4: Simplify right side
    426.14x = 147,860.14
  5. Step 5: Solve for x
    x = 147,860.14/426.14
  6. Step 6: Final answer
    x = 346.98

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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.