Finding the Fourth Proportional to 134.09, 184.93 and 84.95
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Solution
The fourth proportional to 134.09, 184.93 and 84.95 is: 117.15
Step by Step Solution
- Step 1: Write the proportion equation
134.09 : 184.93 = 84.95 : x - Step 2: Convert to fraction form
134.09/184.93 = 84.95/x - Step 3: Cross multiply
134.09x = 184.93 × 84.95 - Step 4: Simplify right side
134.09x = 15,708.67 - Step 5: Solve for x
x = 15,708.67/134.09 - Step 6: Final answer
x = 117.15
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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.