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Finding the Fourth Proportional to 375.86, 518.92 and 236.02

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Solution

The fourth proportional to 375.86, 518.92 and 236.02 is: 325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.86 : 518.92 = 236.02 : x
  2. Step 2: Convert to fraction form
    375.86/518.92 = 236.02/x
  3. Step 3: Cross multiply
    375.86x = 518.92 × 236.02
  4. Step 4: Simplify right side
    375.86x = 122,475.50
  5. Step 5: Solve for x
    x = 122,475.50/375.86
  6. Step 6: Final answer
    x = 325.85

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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.