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Finding the Fourth Proportional to 236.07, 325.32 and 157.29

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Solution

The fourth proportional to 236.07, 325.32 and 157.29 is: 216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.07 : 325.32 = 157.29 : x
  2. Step 2: Convert to fraction form
    236.07/325.32 = 157.29/x
  3. Step 3: Cross multiply
    236.07x = 325.32 × 157.29
  4. Step 4: Simplify right side
    236.07x = 51,168.80
  5. Step 5: Solve for x
    x = 51,168.80/236.07
  6. Step 6: Final answer
    x = 216.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.