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Finding the Fourth Proportional to 366.68, 549.56 and 161.03

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Solution

The fourth proportional to 366.68, 549.56 and 161.03 is: 241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.68 : 549.56 = 161.03 : x
  2. Step 2: Convert to fraction form
    366.68/549.56 = 161.03/x
  3. Step 3: Cross multiply
    366.68x = 549.56 × 161.03
  4. Step 4: Simplify right side
    366.68x = 88,497.42
  5. Step 5: Solve for x
    x = 88,497.42/366.68
  6. Step 6: Final answer
    x = 241.35

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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.