Finding the Fourth Proportional to 45.69, 68.26 and 44.17
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Solution
The fourth proportional to 45.69, 68.26 and 44.17 is: 65.99
Step by Step Solution
- Step 1: Write the proportion equation
45.69 : 68.26 = 44.17 : x - Step 2: Convert to fraction form
45.69/68.26 = 44.17/x - Step 3: Cross multiply
45.69x = 68.26 × 44.17 - Step 4: Simplify right side
45.69x = 3,015.04 - Step 5: Solve for x
x = 3,015.04/45.69 - Step 6: Final answer
x = 65.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.