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Finding the Fourth Proportional to 549.56, 823.80 and 467.48

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Solution

The fourth proportional to 549.56, 823.80 and 467.48 is: 700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.56 : 823.80 = 467.48 : x
  2. Step 2: Convert to fraction form
    549.56/823.80 = 467.48/x
  3. Step 3: Cross multiply
    549.56x = 823.80 × 467.48
  4. Step 4: Simplify right side
    549.56x = 385,110.02
  5. Step 5: Solve for x
    x = 385,110.02/549.56
  6. Step 6: Final answer
    x = 700.76

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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.