Finding the Fourth Proportional to 199.29, 296.99 and 193.71
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Solution
The fourth proportional to 199.29, 296.99 and 193.71 is: 288.67
Step by Step Solution
- Step 1: Write the proportion equation
199.29 : 296.99 = 193.71 : x - Step 2: Convert to fraction form
199.29/296.99 = 193.71/x - Step 3: Cross multiply
199.29x = 296.99 × 193.71 - Step 4: Simplify right side
199.29x = 57,528.96 - Step 5: Solve for x
x = 57,528.96/199.29 - Step 6: Final answer
x = 288.67
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.