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Finding the Fourth Proportional to 237.25, 356.10 and 107.32

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Solution

The fourth proportional to 237.25, 356.10 and 107.32 is: 161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.25 : 356.10 = 107.32 : x
  2. Step 2: Convert to fraction form
    237.25/356.10 = 107.32/x
  3. Step 3: Cross multiply
    237.25x = 356.10 × 107.32
  4. Step 4: Simplify right side
    237.25x = 38,216.65
  5. Step 5: Solve for x
    x = 38,216.65/237.25
  6. Step 6: Final answer
    x = 161.08

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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.