Finding the Fourth Proportional to 133.92, 201.65 and 110.99
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Solution
The fourth proportional to 133.92, 201.65 and 110.99 is: 167.12
Step by Step Solution
- Step 1: Write the proportion equation
133.92 : 201.65 = 110.99 : x - Step 2: Convert to fraction form
133.92/201.65 = 110.99/x - Step 3: Cross multiply
133.92x = 201.65 × 110.99 - Step 4: Simplify right side
133.92x = 22,381.08 - Step 5: Solve for x
x = 22,381.08/133.92 - Step 6: Final answer
x = 167.12
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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.