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Finding the Fourth Proportional to 507.36, 759.80 and 363.18

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Solution

The fourth proportional to 507.36, 759.80 and 363.18 is: 543.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.36 : 759.80 = 363.18 : x
  2. Step 2: Convert to fraction form
    507.36/759.80 = 363.18/x
  3. Step 3: Cross multiply
    507.36x = 759.80 × 363.18
  4. Step 4: Simplify right side
    507.36x = 275,944.16
  5. Step 5: Solve for x
    x = 275,944.16/507.36
  6. Step 6: Final answer
    x = 543.88

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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.