Finding the Fourth Proportional to 516.62, 774.95 and 191.99
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Solution
The fourth proportional to 516.62, 774.95 and 191.99 is: 287.99
Step by Step Solution
- Step 1: Write the proportion equation
516.62 : 774.95 = 191.99 : x - Step 2: Convert to fraction form
516.62/774.95 = 191.99/x - Step 3: Cross multiply
516.62x = 774.95 × 191.99 - Step 4: Simplify right side
516.62x = 148,783.63 - Step 5: Solve for x
x = 148,783.63/516.62 - Step 6: Final answer
x = 287.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.