Finding the Fourth Proportional to 194.68, 291.99 and 107.99
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Solution
The fourth proportional to 194.68, 291.99 and 107.99 is: 161.97
Step by Step Solution
- Step 1: Write the proportion equation
194.68 : 291.99 = 107.99 : x - Step 2: Convert to fraction form
194.68/291.99 = 107.99/x - Step 3: Cross multiply
194.68x = 291.99 × 107.99 - Step 4: Simplify right side
194.68x = 31,532.00 - Step 5: Solve for x
x = 31,532.00/194.68 - Step 6: Final answer
x = 161.97
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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.