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Finding the Fourth Proportional to 575.32, 794.82 and 378.76

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Solution

The fourth proportional to 575.32, 794.82 and 378.76 is: 523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.32 : 794.82 = 378.76 : x
  2. Step 2: Convert to fraction form
    575.32/794.82 = 378.76/x
  3. Step 3: Cross multiply
    575.32x = 794.82 × 378.76
  4. Step 4: Simplify right side
    575.32x = 301,046.02
  5. Step 5: Solve for x
    x = 301,046.02/575.32
  6. Step 6: Final answer
    x = 523.27

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.