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Finding the Fourth Proportional to 252.01, 376.15 and 217.16

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Solution

The fourth proportional to 252.01, 376.15 and 217.16 is: 324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.01 : 376.15 = 217.16 : x
  2. Step 2: Convert to fraction form
    252.01/376.15 = 217.16/x
  3. Step 3: Cross multiply
    252.01x = 376.15 × 217.16
  4. Step 4: Simplify right side
    252.01x = 81,681.77
  5. Step 5: Solve for x
    x = 81,681.77/252.01
  6. Step 6: Final answer
    x = 324.12

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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.