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Finding the Fourth Proportional to 425.44, 587.05 and 250.75

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Solution

The fourth proportional to 425.44, 587.05 and 250.75 is: 346.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    425.44 : 587.05 = 250.75 : x
  2. Step 2: Convert to fraction form
    425.44/587.05 = 250.75/x
  3. Step 3: Cross multiply
    425.44x = 587.05 × 250.75
  4. Step 4: Simplify right side
    425.44x = 147,202.79
  5. Step 5: Solve for x
    x = 147,202.79/425.44
  6. Step 6: Final answer
    x = 346.00

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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.