Finding the Fourth Proportional to 146.26, 201.65 and 106.88
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Solution
The fourth proportional to 146.26, 201.65 and 106.88 is: 147.36
Step by Step Solution
- Step 1: Write the proportion equation
146.26 : 201.65 = 106.88 : x - Step 2: Convert to fraction form
146.26/201.65 = 106.88/x - Step 3: Cross multiply
146.26x = 201.65 × 106.88 - Step 4: Simplify right side
146.26x = 21,552.24 - Step 5: Solve for x
x = 21,552.24/146.26 - Step 6: Final answer
x = 147.36
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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.