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Finding the Fourth Proportional to 235.46, 324.93 and 137.22

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Solution

The fourth proportional to 235.46, 324.93 and 137.22 is: 189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.46 : 324.93 = 137.22 : x
  2. Step 2: Convert to fraction form
    235.46/324.93 = 137.22/x
  3. Step 3: Cross multiply
    235.46x = 324.93 × 137.22
  4. Step 4: Simplify right side
    235.46x = 44,586.89
  5. Step 5: Solve for x
    x = 44,586.89/235.46
  6. Step 6: Final answer
    x = 189.36

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