Finding the Fourth Proportional to 49.49, 74.16 and 46.07
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Solution
The fourth proportional to 49.49, 74.16 and 46.07 is: 69.03
Step by Step Solution
- Step 1: Write the proportion equation
49.49 : 74.16 = 46.07 : x - Step 2: Convert to fraction form
49.49/74.16 = 46.07/x - Step 3: Cross multiply
49.49x = 74.16 × 46.07 - Step 4: Simplify right side
49.49x = 3,416.18 - Step 5: Solve for x
x = 3,416.18/49.49 - Step 6: Final answer
x = 69.03
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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.