Finding the Fourth Proportional to 49.94, 68.92 and 34.99
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Solution
The fourth proportional to 49.94, 68.92 and 34.99 is: 48.28
Step by Step Solution
- Step 1: Write the proportion equation
49.94 : 68.92 = 34.99 : x - Step 2: Convert to fraction form
49.94/68.92 = 34.99/x - Step 3: Cross multiply
49.94x = 68.92 × 34.99 - Step 4: Simplify right side
49.94x = 2,411.25 - Step 5: Solve for x
x = 2,411.25/49.94 - Step 6: Final answer
x = 48.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.