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Finding the Fourth Proportional to 376.14, 557.89 and 370.68

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Solution

The fourth proportional to 376.14, 557.89 and 370.68 is: 549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.14 : 557.89 = 370.68 : x
  2. Step 2: Convert to fraction form
    376.14/557.89 = 370.68/x
  3. Step 3: Cross multiply
    376.14x = 557.89 × 370.68
  4. Step 4: Simplify right side
    376.14x = 206,795.65
  5. Step 5: Solve for x
    x = 206,795.65/376.14
  6. Step 6: Final answer
    x = 549.78

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.