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Finding the Fourth Proportional to 366.15, 549.21 and 301.89

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Solution

The fourth proportional to 366.15, 549.21 and 301.89 is: 452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.15 : 549.21 = 301.89 : x
  2. Step 2: Convert to fraction form
    366.15/549.21 = 301.89/x
  3. Step 3: Cross multiply
    366.15x = 549.21 × 301.89
  4. Step 4: Simplify right side
    366.15x = 165,801.01
  5. Step 5: Solve for x
    x = 165,801.01/366.15
  6. Step 6: Final answer
    x = 452.82

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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.