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Finding the Fourth Proportional to 366.50, 549.56 and 324.90

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Solution

The fourth proportional to 366.50, 549.56 and 324.90 is: 487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.50 : 549.56 = 324.90 : x
  2. Step 2: Convert to fraction form
    366.50/549.56 = 324.90/x
  3. Step 3: Cross multiply
    366.50x = 549.56 × 324.90
  4. Step 4: Simplify right side
    366.50x = 178,550.42
  5. Step 5: Solve for x
    x = 178,550.42/366.50
  6. Step 6: Final answer
    x = 487.18

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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.