Finding the Fourth Proportional to 200.43, 276.08 and 186.99
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Solution
The fourth proportional to 200.43, 276.08 and 186.99 is: 257.56
Step by Step Solution
- Step 1: Write the proportion equation
200.43 : 276.08 = 186.99 : x - Step 2: Convert to fraction form
200.43/276.08 = 186.99/x - Step 3: Cross multiply
200.43x = 276.08 × 186.99 - Step 4: Simplify right side
200.43x = 51,623.26 - Step 5: Solve for x
x = 51,623.26/200.43 - Step 6: Final answer
x = 257.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.