Finding the Fourth Proportional to 146.13, 201.75 and 114.99
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Solution
The fourth proportional to 146.13, 201.75 and 114.99 is: 158.76
Step by Step Solution
- Step 1: Write the proportion equation
146.13 : 201.75 = 114.99 : x - Step 2: Convert to fraction form
146.13/201.75 = 114.99/x - Step 3: Cross multiply
146.13x = 201.75 × 114.99 - Step 4: Simplify right side
146.13x = 23,199.23 - Step 5: Solve for x
x = 23,199.23/146.13 - Step 6: Final answer
x = 158.76
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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.