Finding the Fourth Proportional to 68.18, 102.19 and 33.99
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Solution
The fourth proportional to 68.18, 102.19 and 33.99 is: 50.95
Step by Step Solution
- Step 1: Write the proportion equation
68.18 : 102.19 = 33.99 : x - Step 2: Convert to fraction form
68.18/102.19 = 33.99/x - Step 3: Cross multiply
68.18x = 102.19 × 33.99 - Step 4: Simplify right side
68.18x = 3,473.44 - Step 5: Solve for x
x = 3,473.44/68.18 - Step 6: Final answer
x = 50.95
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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.