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Finding the Fourth Proportional to 511.20, 704.16 and 363.36

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Solution

The fourth proportional to 511.20, 704.16 and 363.36 is: 500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.20 : 704.16 = 363.36 : x
  2. Step 2: Convert to fraction form
    511.20/704.16 = 363.36/x
  3. Step 3: Cross multiply
    511.20x = 704.16 × 363.36
  4. Step 4: Simplify right side
    511.20x = 255,863.58
  5. Step 5: Solve for x
    x = 255,863.58/511.20
  6. Step 6: Final answer
    x = 500.52

Related Problems

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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.