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Finding the Fourth Proportional to 549.36, 819.99 and 500.76

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Solution

The fourth proportional to 549.36, 819.99 and 500.76 is: 747.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.36 : 819.99 = 500.76 : x
  2. Step 2: Convert to fraction form
    549.36/819.99 = 500.76/x
  3. Step 3: Cross multiply
    549.36x = 819.99 × 500.76
  4. Step 4: Simplify right side
    549.36x = 410,618.19
  5. Step 5: Solve for x
    x = 410,618.19/549.36
  6. Step 6: Final answer
    x = 747.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.