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Finding the Fourth Proportional to 573.22, 859.20 and 329.24

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Solution

The fourth proportional to 573.22, 859.20 and 329.24 is: 493.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.22 : 859.20 = 329.24 : x
  2. Step 2: Convert to fraction form
    573.22/859.20 = 329.24/x
  3. Step 3: Cross multiply
    573.22x = 859.20 × 329.24
  4. Step 4: Simplify right side
    573.22x = 282,883.01
  5. Step 5: Solve for x
    x = 282,883.01/573.22
  6. Step 6: Final answer
    x = 493.50

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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.