Finding the Fourth Proportional to 164.68, 247.01 and 54.99
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Solution
The fourth proportional to 164.68, 247.01 and 54.99 is: 82.48
Step by Step Solution
- Step 1: Write the proportion equation
164.68 : 247.01 = 54.99 : x - Step 2: Convert to fraction form
164.68/247.01 = 54.99/x - Step 3: Cross multiply
164.68x = 247.01 × 54.99 - Step 4: Simplify right side
164.68x = 13,583.08 - Step 5: Solve for x
x = 13,583.08/164.68 - Step 6: Final answer
x = 82.48
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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.