Finding the Fourth Proportional to 161.99, 242.99 and 46.44
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Solution
The fourth proportional to 161.99, 242.99 and 46.44 is: 69.66
Step by Step Solution
- Step 1: Write the proportion equation
161.99 : 242.99 = 46.44 : x - Step 2: Convert to fraction form
161.99/242.99 = 46.44/x - Step 3: Cross multiply
161.99x = 242.99 × 46.44 - Step 4: Simplify right side
161.99x = 11,284.94 - Step 5: Solve for x
x = 11,284.94/161.99 - Step 6: Final answer
x = 69.66
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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.