Finding the Fourth Proportional to 161.97, 242.99 and 70.67
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Solution
The fourth proportional to 161.97, 242.99 and 70.67 is: 106.03
Step by Step Solution
- Step 1: Write the proportion equation
161.97 : 242.99 = 70.67 : x - Step 2: Convert to fraction form
161.97/242.99 = 70.67/x - Step 3: Cross multiply
161.97x = 242.99 × 70.67 - Step 4: Simplify right side
161.97x = 17,172.62 - Step 5: Solve for x
x = 17,172.62/161.97 - Step 6: Final answer
x = 106.03
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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.