Finding the Fourth Proportional to 377.09, 519.63 and 271.99
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Solution
The fourth proportional to 377.09, 519.63 and 271.99 is: 374.81
Step by Step Solution
- Step 1: Write the proportion equation
377.09 : 519.63 = 271.99 : x - Step 2: Convert to fraction form
377.09/519.63 = 271.99/x - Step 3: Cross multiply
377.09x = 519.63 × 271.99 - Step 4: Simplify right side
377.09x = 141,335.32 - Step 5: Solve for x
x = 141,335.32/377.09 - Step 6: Final answer
x = 374.81
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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.