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Finding the Fourth Proportional to 375.58, 518.43 and 265.12

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Solution

The fourth proportional to 375.58, 518.43 and 265.12 is: 365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.58 : 518.43 = 265.12 : x
  2. Step 2: Convert to fraction form
    375.58/518.43 = 265.12/x
  3. Step 3: Cross multiply
    375.58x = 518.43 × 265.12
  4. Step 4: Simplify right side
    375.58x = 137,445.86
  5. Step 5: Solve for x
    x = 137,445.86/375.58
  6. Step 6: Final answer
    x = 365.96

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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.