Finding the Fourth Proportional to 161.09, 241.68 and 135.11
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Solution
The fourth proportional to 161.09, 241.68 and 135.11 is: 202.70
Step by Step Solution
- Step 1: Write the proportion equation
161.09 : 241.68 = 135.11 : x - Step 2: Convert to fraction form
161.09/241.68 = 135.11/x - Step 3: Cross multiply
161.09x = 241.68 × 135.11 - Step 4: Simplify right side
161.09x = 32,652.18 - Step 5: Solve for x
x = 32,652.18/161.09 - Step 6: Final answer
x = 202.70
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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.