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Finding the Fourth Proportional to 301.41, 452.42 and 214.84

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Solution

The fourth proportional to 301.41, 452.42 and 214.84 is: 322.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.41 : 452.42 = 214.84 : x
  2. Step 2: Convert to fraction form
    301.41/452.42 = 214.84/x
  3. Step 3: Cross multiply
    301.41x = 452.42 × 214.84
  4. Step 4: Simplify right side
    301.41x = 97,196.84
  5. Step 5: Solve for x
    x = 97,196.84/301.41
  6. Step 6: Final answer
    x = 322.47

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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.