Finding the Fourth Proportional to 296.62, 444.94 and 91.19
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Solution
The fourth proportional to 296.62, 444.94 and 91.19 is: 136.79
Step by Step Solution
- Step 1: Write the proportion equation
296.62 : 444.94 = 91.19 : x - Step 2: Convert to fraction form
296.62/444.94 = 91.19/x - Step 3: Cross multiply
296.62x = 444.94 × 91.19 - Step 4: Simplify right side
296.62x = 40,573.68 - Step 5: Solve for x
x = 40,573.68/296.62 - Step 6: Final answer
x = 136.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.