Finding the Fourth Proportional to 269.62, 371.99 and 186.63
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Solution
The fourth proportional to 269.62, 371.99 and 186.63 is: 257.49
Step by Step Solution
- Step 1: Write the proportion equation
269.62 : 371.99 = 186.63 : x - Step 2: Convert to fraction form
269.62/371.99 = 186.63/x - Step 3: Cross multiply
269.62x = 371.99 × 186.63 - Step 4: Simplify right side
269.62x = 69,424.49 - Step 5: Solve for x
x = 69,424.49/269.62 - Step 6: Final answer
x = 257.49
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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.