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Finding the Fourth Proportional to 528.22, 792.28 and 163.02

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Solution

The fourth proportional to 528.22, 792.28 and 163.02 is: 244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.22 : 792.28 = 163.02 : x
  2. Step 2: Convert to fraction form
    528.22/792.28 = 163.02/x
  3. Step 3: Cross multiply
    528.22x = 792.28 × 163.02
  4. Step 4: Simplify right side
    528.22x = 129,157.49
  5. Step 5: Solve for x
    x = 129,157.49/528.22
  6. Step 6: Final answer
    x = 244.51

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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.