Finding the Fourth Proportional to 235.36, 352.97 and 73.06
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Solution
The fourth proportional to 235.36, 352.97 and 73.06 is: 109.57
Step by Step Solution
- Step 1: Write the proportion equation
235.36 : 352.97 = 73.06 : x - Step 2: Convert to fraction form
235.36/352.97 = 73.06/x - Step 3: Cross multiply
235.36x = 352.97 × 73.06 - Step 4: Simplify right side
235.36x = 25,787.99 - Step 5: Solve for x
x = 25,787.99/235.36 - Step 6: Final answer
x = 109.57
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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.