Finding the Fourth Proportional to 64.99, 97.44 and 46.99
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Solution
The fourth proportional to 64.99, 97.44 and 46.99 is: 70.45
Step by Step Solution
- Step 1: Write the proportion equation
64.99 : 97.44 = 46.99 : x - Step 2: Convert to fraction form
64.99/97.44 = 46.99/x - Step 3: Cross multiply
64.99x = 97.44 × 46.99 - Step 4: Simplify right side
64.99x = 4,578.71 - Step 5: Solve for x
x = 4,578.71/64.99 - Step 6: Final answer
x = 70.45
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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.