Finding the Fourth Proportional to 135.33, 202.49 and 135
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Solution
The fourth proportional to 135.33, 202.49 and 135 is: 201.99
Step by Step Solution
- Step 1: Write the proportion equation
135.33 : 202.49 = 135 : x - Step 2: Convert to fraction form
135.33/202.49 = 135/x - Step 3: Cross multiply
135.33x = 202.49 × 135 - Step 4: Simplify right side
135.33x = 27,335.48 - Step 5: Solve for x
x = 27,335.48/135.33 - Step 6: Final answer
x = 201.99
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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.