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Finding the Fourth Proportional to 549.96, 828.12 and 453.37

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Solution

The fourth proportional to 549.96, 828.12 and 453.37 is: 682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.96 : 828.12 = 453.37 : x
  2. Step 2: Convert to fraction form
    549.96/828.12 = 453.37/x
  3. Step 3: Cross multiply
    549.96x = 828.12 × 453.37
  4. Step 4: Simplify right side
    549.96x = 375,444.76
  5. Step 5: Solve for x
    x = 375,444.76/549.96
  6. Step 6: Final answer
    x = 682.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.