Finding the Fourth Proportional to 49.19, 68.01 and 46.99
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Solution
The fourth proportional to 49.19, 68.01 and 46.99 is: 64.97
Step by Step Solution
- Step 1: Write the proportion equation
49.19 : 68.01 = 46.99 : x - Step 2: Convert to fraction form
49.19/68.01 = 46.99/x - Step 3: Cross multiply
49.19x = 68.01 × 46.99 - Step 4: Simplify right side
49.19x = 3,195.79 - Step 5: Solve for x
x = 3,195.79/49.19 - Step 6: Final answer
x = 64.97
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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.