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Finding the Fourth Proportional to 159.08, 237.25 and 137.56

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Solution

The fourth proportional to 159.08, 237.25 and 137.56 is: 205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.08 : 237.25 = 137.56 : x
  2. Step 2: Convert to fraction form
    159.08/237.25 = 137.56/x
  3. Step 3: Cross multiply
    159.08x = 237.25 × 137.56
  4. Step 4: Simplify right side
    159.08x = 32,636.11
  5. Step 5: Solve for x
    x = 32,636.11/159.08
  6. Step 6: Final answer
    x = 205.16

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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.