Finding the Fourth Proportional to 161.13, 241.73 and 69.84
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Solution
The fourth proportional to 161.13, 241.73 and 69.84 is: 104.77
Step by Step Solution
- Step 1: Write the proportion equation
161.13 : 241.73 = 69.84 : x - Step 2: Convert to fraction form
161.13/241.73 = 69.84/x - Step 3: Cross multiply
161.13x = 241.73 × 69.84 - Step 4: Simplify right side
161.13x = 16,881.21 - Step 5: Solve for x
x = 16,881.21/161.13 - Step 6: Final answer
x = 104.77
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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.