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Finding the Fourth Proportional to 158.14, 235.94 and 135.06

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Solution

The fourth proportional to 158.14, 235.94 and 135.06 is: 201.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.14 : 235.94 = 135.06 : x
  2. Step 2: Convert to fraction form
    158.14/235.94 = 135.06/x
  3. Step 3: Cross multiply
    158.14x = 235.94 × 135.06
  4. Step 4: Simplify right side
    158.14x = 31,866.06
  5. Step 5: Solve for x
    x = 31,866.06/158.14
  6. Step 6: Final answer
    x = 201.51

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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.