Finding the Fourth Proportional to 146.99, 203.79 and 141.99
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Solution
The fourth proportional to 146.99, 203.79 and 141.99 is: 196.86
Step by Step Solution
- Step 1: Write the proportion equation
146.99 : 203.79 = 141.99 : x - Step 2: Convert to fraction form
146.99/203.79 = 141.99/x - Step 3: Cross multiply
146.99x = 203.79 × 141.99 - Step 4: Simplify right side
146.99x = 28,936.14 - Step 5: Solve for x
x = 28,936.14/146.99 - Step 6: Final answer
x = 196.86
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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.