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Finding the Fourth Proportional to 159.74, 237.95 and 158.52

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Solution

The fourth proportional to 159.74, 237.95 and 158.52 is: 236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159.74 : 237.95 = 158.52 : x
  2. Step 2: Convert to fraction form
    159.74/237.95 = 158.52/x
  3. Step 3: Cross multiply
    159.74x = 237.95 × 158.52
  4. Step 4: Simplify right side
    159.74x = 37,719.83
  5. Step 5: Solve for x
    x = 37,719.83/159.74
  6. Step 6: Final answer
    x = 236.13

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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.