Finding the Fourth Proportional to 394.67, 591.99 and 134.66
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Solution
The fourth proportional to 394.67, 591.99 and 134.66 is: 201.99
Step by Step Solution
- Step 1: Write the proportion equation
394.67 : 591.99 = 134.66 : x - Step 2: Convert to fraction form
394.67/591.99 = 134.66/x - Step 3: Cross multiply
394.67x = 591.99 × 134.66 - Step 4: Simplify right side
394.67x = 79,718.35 - Step 5: Solve for x
x = 79,718.35/394.67 - Step 6: Final answer
x = 201.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.