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Finding the Fourth Proportional to 375.72, 518.58 and 244.77

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Solution

The fourth proportional to 375.72, 518.58 and 244.77 is: 337.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.72 : 518.58 = 244.77 : x
  2. Step 2: Convert to fraction form
    375.72/518.58 = 244.77/x
  3. Step 3: Cross multiply
    375.72x = 518.58 × 244.77
  4. Step 4: Simplify right side
    375.72x = 126,932.83
  5. Step 5: Solve for x
    x = 126,932.83/375.72
  6. Step 6: Final answer
    x = 337.84

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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.