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Finding the Fourth Proportional to 528.97, 793.41 and 236.49

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Solution

The fourth proportional to 528.97, 793.41 and 236.49 is: 354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.97 : 793.41 = 236.49 : x
  2. Step 2: Convert to fraction form
    528.97/793.41 = 236.49/x
  3. Step 3: Cross multiply
    528.97x = 793.41 × 236.49
  4. Step 4: Simplify right side
    528.97x = 187,633.53
  5. Step 5: Solve for x
    x = 187,633.53/528.97
  6. Step 6: Final answer
    x = 354.71

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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.