Finding the Fourth Proportional to 161.12, 241.70 and 122.62
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Solution
The fourth proportional to 161.12, 241.70 and 122.62 is: 183.95
Step by Step Solution
- Step 1: Write the proportion equation
161.12 : 241.70 = 122.62 : x - Step 2: Convert to fraction form
161.12/241.70 = 122.62/x - Step 3: Cross multiply
161.12x = 241.70 × 122.62 - Step 4: Simplify right side
161.12x = 29,637.25 - Step 5: Solve for x
x = 29,637.25/161.12 - Step 6: Final answer
x = 183.95
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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.