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Finding the Fourth Proportional to 375.69, 517.92 and 264.84

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Solution

The fourth proportional to 375.69, 517.92 and 264.84 is: 365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.69 : 517.92 = 264.84 : x
  2. Step 2: Convert to fraction form
    375.69/517.92 = 264.84/x
  3. Step 3: Cross multiply
    375.69x = 517.92 × 264.84
  4. Step 4: Simplify right side
    375.69x = 137,165.93
  5. Step 5: Solve for x
    x = 137,165.93/375.69
  6. Step 6: Final answer
    x = 365.10

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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.