Finding the Fourth Proportional to 134.21, 201.24 and 122.74
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Solution
The fourth proportional to 134.21, 201.24 and 122.74 is: 184.04
Step by Step Solution
- Step 1: Write the proportion equation
134.21 : 201.24 = 122.74 : x - Step 2: Convert to fraction form
134.21/201.24 = 122.74/x - Step 3: Cross multiply
134.21x = 201.24 × 122.74 - Step 4: Simplify right side
134.21x = 24,699.84 - Step 5: Solve for x
x = 24,699.84/134.21 - Step 6: Final answer
x = 184.04
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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.