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Finding the Fourth Proportional to 301.41, 452.38 and 214.96

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Solution

The fourth proportional to 301.41, 452.38 and 214.96 is: 322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.41 : 452.38 = 214.96 : x
  2. Step 2: Convert to fraction form
    301.41/452.38 = 214.96/x
  3. Step 3: Cross multiply
    301.41x = 452.38 × 214.96
  4. Step 4: Simplify right side
    301.41x = 97,241.40
  5. Step 5: Solve for x
    x = 97,241.40/301.41
  6. Step 6: Final answer
    x = 322.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.