Finding the Fourth Proportional to 146.81, 202.95 and 133.99
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Solution
The fourth proportional to 146.81, 202.95 and 133.99 is: 185.22
Step by Step Solution
- Step 1: Write the proportion equation
146.81 : 202.95 = 133.99 : x - Step 2: Convert to fraction form
146.81/202.95 = 133.99/x - Step 3: Cross multiply
146.81x = 202.95 × 133.99 - Step 4: Simplify right side
146.81x = 27,192.76 - Step 5: Solve for x
x = 27,192.76/146.81 - Step 6: Final answer
x = 185.22
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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.