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Finding the Fourth Proportional to 573.45, 859.73 and 248.73

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Solution

The fourth proportional to 573.45, 859.73 and 248.73 is: 372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.45 : 859.73 = 248.73 : x
  2. Step 2: Convert to fraction form
    573.45/859.73 = 248.73/x
  3. Step 3: Cross multiply
    573.45x = 859.73 × 248.73
  4. Step 4: Simplify right side
    573.45x = 213,839.40
  5. Step 5: Solve for x
    x = 213,839.40/573.45
  6. Step 6: Final answer
    x = 372.90

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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.