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Finding the Fourth Proportional to 573.87, 860.60 and 249.16

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Solution

The fourth proportional to 573.87, 860.60 and 249.16 is: 373.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.87 : 860.60 = 249.16 : x
  2. Step 2: Convert to fraction form
    573.87/860.60 = 249.16/x
  3. Step 3: Cross multiply
    573.87x = 860.60 × 249.16
  4. Step 4: Simplify right side
    573.87x = 214,423.70
  5. Step 5: Solve for x
    x = 214,423.70/573.87
  6. Step 6: Final answer
    x = 373.65

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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.