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Finding the Fourth Proportional to 502.92, 695.52 and 481.20

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Solution

The fourth proportional to 502.92, 695.52 and 481.20 is: 665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.92 : 695.52 = 481.20 : x
  2. Step 2: Convert to fraction form
    502.92/695.52 = 481.20/x
  3. Step 3: Cross multiply
    502.92x = 695.52 × 481.20
  4. Step 4: Simplify right side
    502.92x = 334,684.22
  5. Step 5: Solve for x
    x = 334,684.22/502.92
  6. Step 6: Final answer
    x = 665.48

Related Problems

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Double scale
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Similar ratio
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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.