Finding the Fourth Proportional to 161.27, 241.95 and 69.99
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Solution
The fourth proportional to 161.27, 241.95 and 69.99 is: 105.00
Step by Step Solution
- Step 1: Write the proportion equation
161.27 : 241.95 = 69.99 : x - Step 2: Convert to fraction form
161.27/241.95 = 69.99/x - Step 3: Cross multiply
161.27x = 241.95 × 69.99 - Step 4: Simplify right side
161.27x = 16,934.12 - Step 5: Solve for x
x = 16,934.12/161.27 - Step 6: Final answer
x = 105.00
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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.