Finding the Fourth Proportional to 46.99, 70.67 and 37.99
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Solution
The fourth proportional to 46.99, 70.67 and 37.99 is: 57.13
Step by Step Solution
- Step 1: Write the proportion equation
46.99 : 70.67 = 37.99 : x - Step 2: Convert to fraction form
46.99/70.67 = 37.99/x - Step 3: Cross multiply
46.99x = 70.67 × 37.99 - Step 4: Simplify right side
46.99x = 2,684.75 - Step 5: Solve for x
x = 2,684.75/46.99 - Step 6: Final answer
x = 57.13
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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.