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Finding the Fourth Proportional to 365.01, 547.11 and 321.00

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Solution

The fourth proportional to 365.01, 547.11 and 321.00 is: 481.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.01 : 547.11 = 321.00 : x
  2. Step 2: Convert to fraction form
    365.01/547.11 = 321.00/x
  3. Step 3: Cross multiply
    365.01x = 547.11 × 321.00
  4. Step 4: Simplify right side
    365.01x = 175,622.41
  5. Step 5: Solve for x
    x = 175,622.41/365.01
  6. Step 6: Final answer
    x = 481.14

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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.