Finding the Fourth Proportional to 134.10, 184.99 and 84.33
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Solution
The fourth proportional to 134.10, 184.99 and 84.33 is: 116.33
Step by Step Solution
- Step 1: Write the proportion equation
134.10 : 184.99 = 84.33 : x - Step 2: Convert to fraction form
134.10/184.99 = 84.33/x - Step 3: Cross multiply
134.10x = 184.99 × 84.33 - Step 4: Simplify right side
134.10x = 15,600.21 - Step 5: Solve for x
x = 15,600.21/134.10 - Step 6: Final answer
x = 116.33
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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.