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Finding the Fourth Proportional to 158.49, 237.53 and 134.40

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Solution

The fourth proportional to 158.49, 237.53 and 134.40 is: 201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.49 : 237.53 = 134.40 : x
  2. Step 2: Convert to fraction form
    158.49/237.53 = 134.40/x
  3. Step 3: Cross multiply
    158.49x = 237.53 × 134.40
  4. Step 4: Simplify right side
    158.49x = 31,923.36
  5. Step 5: Solve for x
    x = 31,923.36/158.49
  6. Step 6: Final answer
    x = 201.42

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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.