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Finding the Fourth Proportional to 339.01, 467.53 and 265.21

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Solution

The fourth proportional to 339.01, 467.53 and 265.21 is: 365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.01 : 467.53 = 265.21 : x
  2. Step 2: Convert to fraction form
    339.01/467.53 = 265.21/x
  3. Step 3: Cross multiply
    339.01x = 467.53 × 265.21
  4. Step 4: Simplify right side
    339.01x = 123,991.80
  5. Step 5: Solve for x
    x = 123,991.80/339.01
  6. Step 6: Final answer
    x = 365.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.