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Finding the Fourth Proportional to 238.13, 356.93 and 101.26

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Solution

The fourth proportional to 238.13, 356.93 and 101.26 is: 151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238.13 : 356.93 = 101.26 : x
  2. Step 2: Convert to fraction form
    238.13/356.93 = 101.26/x
  3. Step 3: Cross multiply
    238.13x = 356.93 × 101.26
  4. Step 4: Simplify right side
    238.13x = 36,142.09
  5. Step 5: Solve for x
    x = 36,142.09/238.13
  6. Step 6: Final answer
    x = 151.77

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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.