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Finding the Fourth Proportional to 365, 547.44 and 159.68

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Solution

The fourth proportional to 365, 547.44 and 159.68 is: 239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    365 : 547.44 = 159.68 : x
  2. Step 2: Convert to fraction form
    365/547.44 = 159.68/x
  3. Step 3: Cross multiply
    365x = 547.44 × 159.68
  4. Step 4: Simplify right side
    365x = 87,415.22
  5. Step 5: Solve for x
    x = 87,415.22/365
  6. Step 6: Final answer
    x = 239.49

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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.