Finding the Fourth Proportional to 118.99, 164.26 and 92.84
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Solution
The fourth proportional to 118.99, 164.26 and 92.84 is: 128.15
Step by Step Solution
- Step 1: Write the proportion equation
118.99 : 164.26 = 92.84 : x - Step 2: Convert to fraction form
118.99/164.26 = 92.84/x - Step 3: Cross multiply
118.99x = 164.26 × 92.84 - Step 4: Simplify right side
118.99x = 15,249.08 - Step 5: Solve for x
x = 15,249.08/118.99 - Step 6: Final answer
x = 128.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.