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Finding the Fourth Proportional to 376.56, 562.11 and 325.53

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Solution

The fourth proportional to 376.56, 562.11 and 325.53 is: 485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.56 : 562.11 = 325.53 : x
  2. Step 2: Convert to fraction form
    376.56/562.11 = 325.53/x
  3. Step 3: Cross multiply
    376.56x = 562.11 × 325.53
  4. Step 4: Simplify right side
    376.56x = 182,979.23
  5. Step 5: Solve for x
    x = 182,979.23/376.56
  6. Step 6: Final answer
    x = 485.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.