Finding the Fourth Proportional to 135.05, 202.67 and 70.97
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Solution
The fourth proportional to 135.05, 202.67 and 70.97 is: 106.50
Step by Step Solution
- Step 1: Write the proportion equation
135.05 : 202.67 = 70.97 : x - Step 2: Convert to fraction form
135.05/202.67 = 70.97/x - Step 3: Cross multiply
135.05x = 202.67 × 70.97 - Step 4: Simplify right side
135.05x = 14,383.49 - Step 5: Solve for x
x = 14,383.49/135.05 - Step 6: Final answer
x = 106.50
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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.