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Finding the Fourth Proportional to 159.82, 237.80 and 159.28

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Solution

The fourth proportional to 159.82, 237.80 and 159.28 is: 237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.82 : 237.80 = 159.28 : x
  2. Step 2: Convert to fraction form
    159.82/237.80 = 159.28/x
  3. Step 3: Cross multiply
    159.82x = 237.80 × 159.28
  4. Step 4: Simplify right side
    159.82x = 37,876.78
  5. Step 5: Solve for x
    x = 37,876.78/159.82
  6. Step 6: Final answer
    x = 237.00

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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.