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Finding the Fourth Proportional to 549.62, 824.49 and 184.45

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Solution

The fourth proportional to 549.62, 824.49 and 184.45 is: 276.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.62 : 824.49 = 184.45 : x
  2. Step 2: Convert to fraction form
    549.62/824.49 = 184.45/x
  3. Step 3: Cross multiply
    549.62x = 824.49 × 184.45
  4. Step 4: Simplify right side
    549.62x = 152,072.14
  5. Step 5: Solve for x
    x = 152,072.14/549.62
  6. Step 6: Final answer
    x = 276.69

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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.