Finding the Fourth Proportional to 134.29, 201.34 and 51.99
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Solution
The fourth proportional to 134.29, 201.34 and 51.99 is: 77.95
Step by Step Solution
- Step 1: Write the proportion equation
134.29 : 201.34 = 51.99 : x - Step 2: Convert to fraction form
134.29/201.34 = 51.99/x - Step 3: Cross multiply
134.29x = 201.34 × 51.99 - Step 4: Simplify right side
134.29x = 10,467.67 - Step 5: Solve for x
x = 10,467.67/134.29 - Step 6: Final answer
x = 77.95
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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.