Finding the Fourth Proportional to 296.92, 445.70 and 204.74
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Solution
The fourth proportional to 296.92, 445.70 and 204.74 is: 307.33
Step by Step Solution
- Step 1: Write the proportion equation
296.92 : 445.70 = 204.74 : x - Step 2: Convert to fraction form
296.92/445.70 = 204.74/x - Step 3: Cross multiply
296.92x = 445.70 × 204.74 - Step 4: Simplify right side
296.92x = 91,252.62 - Step 5: Solve for x
x = 91,252.62/296.92 - Step 6: Final answer
x = 307.33
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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.