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Finding the Fourth Proportional to 411.17, 567.38 and 236.51

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Solution

The fourth proportional to 411.17, 567.38 and 236.51 is: 326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.17 : 567.38 = 236.51 : x
  2. Step 2: Convert to fraction form
    411.17/567.38 = 236.51/x
  3. Step 3: Cross multiply
    411.17x = 567.38 × 236.51
  4. Step 4: Simplify right side
    411.17x = 134,187.02
  5. Step 5: Solve for x
    x = 134,187.02/411.17
  6. Step 6: Final answer
    x = 326.36

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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.