Finding the Fourth Proportional to 134.99, 201.97 and 105.88
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Solution
The fourth proportional to 134.99, 201.97 and 105.88 is: 158.42
Step by Step Solution
- Step 1: Write the proportion equation
134.99 : 201.97 = 105.88 : x - Step 2: Convert to fraction form
134.99/201.97 = 105.88/x - Step 3: Cross multiply
134.99x = 201.97 × 105.88 - Step 4: Simplify right side
134.99x = 21,384.58 - Step 5: Solve for x
x = 21,384.58/134.99 - Step 6: Final answer
x = 158.42
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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.