Finding the Fourth Proportional to 97.36, 146.09 and 45.99
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Solution
The fourth proportional to 97.36, 146.09 and 45.99 is: 69.01
Step by Step Solution
- Step 1: Write the proportion equation
97.36 : 146.09 = 45.99 : x - Step 2: Convert to fraction form
97.36/146.09 = 45.99/x - Step 3: Cross multiply
97.36x = 146.09 × 45.99 - Step 4: Simplify right side
97.36x = 6,718.68 - Step 5: Solve for x
x = 6,718.68/97.36 - Step 6: Final answer
x = 69.01
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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.