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Finding the Fourth Proportional to 519.37, 717.75 and 425.96

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Solution

The fourth proportional to 519.37, 717.75 and 425.96 is: 588.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    519.37 : 717.75 = 425.96 : x
  2. Step 2: Convert to fraction form
    519.37/717.75 = 425.96/x
  3. Step 3: Cross multiply
    519.37x = 717.75 × 425.96
  4. Step 4: Simplify right side
    519.37x = 305,734.58
  5. Step 5: Solve for x
    x = 305,734.58/519.37
  6. Step 6: Final answer
    x = 588.67

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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.