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Finding the Fourth Proportional to 159.26, 237.73 and 155.66

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Solution

The fourth proportional to 159.26, 237.73 and 155.66 is: 232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.26 : 237.73 = 155.66 : x
  2. Step 2: Convert to fraction form
    159.26/237.73 = 155.66/x
  3. Step 3: Cross multiply
    159.26x = 237.73 × 155.66
  4. Step 4: Simplify right side
    159.26x = 37,005.05
  5. Step 5: Solve for x
    x = 37,005.05/159.26
  6. Step 6: Final answer
    x = 232.36

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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.