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Finding the Fourth Proportional to 462.93, 693.62 and 325.73

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Solution

The fourth proportional to 462.93, 693.62 and 325.73 is: 488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.93 : 693.62 = 325.73 : x
  2. Step 2: Convert to fraction form
    462.93/693.62 = 325.73/x
  3. Step 3: Cross multiply
    462.93x = 693.62 × 325.73
  4. Step 4: Simplify right side
    462.93x = 225,932.95
  5. Step 5: Solve for x
    x = 225,932.95/462.93
  6. Step 6: Final answer
    x = 488.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.