Finding the Fourth Proportional to 134.84, 202.18 and 69.92
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Solution
The fourth proportional to 134.84, 202.18 and 69.92 is: 104.84
Step by Step Solution
- Step 1: Write the proportion equation
134.84 : 202.18 = 69.92 : x - Step 2: Convert to fraction form
134.84/202.18 = 69.92/x - Step 3: Cross multiply
134.84x = 202.18 × 69.92 - Step 4: Simplify right side
134.84x = 14,136.43 - Step 5: Solve for x
x = 14,136.43/134.84 - Step 6: Final answer
x = 104.84
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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.