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Finding the Fourth Proportional to 364.31, 501.90 and 252.17

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Solution

The fourth proportional to 364.31, 501.90 and 252.17 is: 347.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.31 : 501.90 = 252.17 : x
  2. Step 2: Convert to fraction form
    364.31/501.90 = 252.17/x
  3. Step 3: Cross multiply
    364.31x = 501.90 × 252.17
  4. Step 4: Simplify right side
    364.31x = 126,564.12
  5. Step 5: Solve for x
    x = 126,564.12/364.31
  6. Step 6: Final answer
    x = 347.41

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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.