Finding the Fourth Proportional to 161.65, 242.60 and 110.17
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Solution
The fourth proportional to 161.65, 242.60 and 110.17 is: 165.34
Step by Step Solution
- Step 1: Write the proportion equation
161.65 : 242.60 = 110.17 : x - Step 2: Convert to fraction form
161.65/242.60 = 110.17/x - Step 3: Cross multiply
161.65x = 242.60 × 110.17 - Step 4: Simplify right side
161.65x = 26,727.24 - Step 5: Solve for x
x = 26,727.24/161.65 - Step 6: Final answer
x = 165.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.