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Finding the Fourth Proportional to 573.50, 860.22 and 329.85

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Solution

The fourth proportional to 573.50, 860.22 and 329.85 is: 494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.50 : 860.22 = 329.85 : x
  2. Step 2: Convert to fraction form
    573.50/860.22 = 329.85/x
  3. Step 3: Cross multiply
    573.50x = 860.22 × 329.85
  4. Step 4: Simplify right side
    573.50x = 283,743.57
  5. Step 5: Solve for x
    x = 283,743.57/573.50
  6. Step 6: Final answer
    x = 494.76

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.