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Finding the Fourth Proportional to 374.31, 559.22 and 236.25

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Solution

The fourth proportional to 374.31, 559.22 and 236.25 is: 352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.31 : 559.22 = 236.25 : x
  2. Step 2: Convert to fraction form
    374.31/559.22 = 236.25/x
  3. Step 3: Cross multiply
    374.31x = 559.22 × 236.25
  4. Step 4: Simplify right side
    374.31x = 132,114.54
  5. Step 5: Solve for x
    x = 132,114.54/374.31
  6. Step 6: Final answer
    x = 352.95

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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.