Finding the Fourth Proportional to 146.24, 201.52 and 135.99
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Solution
The fourth proportional to 146.24, 201.52 and 135.99 is: 187.40
Step by Step Solution
- Step 1: Write the proportion equation
146.24 : 201.52 = 135.99 : x - Step 2: Convert to fraction form
146.24/201.52 = 135.99/x - Step 3: Cross multiply
146.24x = 201.52 × 135.99 - Step 4: Simplify right side
146.24x = 27,404.70 - Step 5: Solve for x
x = 27,404.70/146.24 - Step 6: Final answer
x = 187.40
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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.