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Finding the Fourth Proportional to 376.43, 562.16 and 303.41

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Solution

The fourth proportional to 376.43, 562.16 and 303.41 is: 453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.43 : 562.16 = 303.41 : x
  2. Step 2: Convert to fraction form
    376.43/562.16 = 303.41/x
  3. Step 3: Cross multiply
    376.43x = 562.16 × 303.41
  4. Step 4: Simplify right side
    376.43x = 170,567.13
  5. Step 5: Solve for x
    x = 170,567.13/376.43
  6. Step 6: Final answer
    x = 453.12

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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.