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Finding the Fourth Proportional to 441.15, 607.91 and 374.56

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Solution

The fourth proportional to 441.15, 607.91 and 374.56 is: 516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.15 : 607.91 = 374.56 : x
  2. Step 2: Convert to fraction form
    441.15/607.91 = 374.56/x
  3. Step 3: Cross multiply
    441.15x = 607.91 × 374.56
  4. Step 4: Simplify right side
    441.15x = 227,695.38
  5. Step 5: Solve for x
    x = 227,695.38/441.15
  6. Step 6: Final answer
    x = 516.14

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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.