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Finding the Fourth Proportional to 365.41, 547.44 and 307.99

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Solution

The fourth proportional to 365.41, 547.44 and 307.99 is: 461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.41 : 547.44 = 307.99 : x
  2. Step 2: Convert to fraction form
    365.41/547.44 = 307.99/x
  3. Step 3: Cross multiply
    365.41x = 547.44 × 307.99
  4. Step 4: Simplify right side
    365.41x = 168,606.05
  5. Step 5: Solve for x
    x = 168,606.05/365.41
  6. Step 6: Final answer
    x = 461.42

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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.