Finding the Fourth Proportional to 134.36, 202.41 and 132.68
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Solution
The fourth proportional to 134.36, 202.41 and 132.68 is: 199.88
Step by Step Solution
- Step 1: Write the proportion equation
134.36 : 202.41 = 132.68 : x - Step 2: Convert to fraction form
134.36/202.41 = 132.68/x - Step 3: Cross multiply
134.36x = 202.41 × 132.68 - Step 4: Simplify right side
134.36x = 26,855.25 - Step 5: Solve for x
x = 26,855.25/134.36 - Step 6: Final answer
x = 199.88
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.