Finding the Fourth Proportional to 133.38, 184.11 and 114.99
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Solution
The fourth proportional to 133.38, 184.11 and 114.99 is: 158.73
Step by Step Solution
- Step 1: Write the proportion equation
133.38 : 184.11 = 114.99 : x - Step 2: Convert to fraction form
133.38/184.11 = 114.99/x - Step 3: Cross multiply
133.38x = 184.11 × 114.99 - Step 4: Simplify right side
133.38x = 21,170.81 - Step 5: Solve for x
x = 21,170.81/133.38 - Step 6: Final answer
x = 158.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.