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Finding the Fourth Proportional to 573.22, 860.08 and 248.80

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Solution

The fourth proportional to 573.22, 860.08 and 248.80 is: 373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.22 : 860.08 = 248.80 : x
  2. Step 2: Convert to fraction form
    573.22/860.08 = 248.80/x
  3. Step 3: Cross multiply
    573.22x = 860.08 × 248.80
  4. Step 4: Simplify right side
    573.22x = 213,987.90
  5. Step 5: Solve for x
    x = 213,987.90/573.22
  6. Step 6: Final answer
    x = 373.31

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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.