Finding the Fourth Proportional to 133.36, 184.07 and 84.26
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Solution
The fourth proportional to 133.36, 184.07 and 84.26 is: 116.31
Step by Step Solution
- Step 1: Write the proportion equation
133.36 : 184.07 = 84.26 : x - Step 2: Convert to fraction form
133.36/184.07 = 84.26/x - Step 3: Cross multiply
133.36x = 184.07 × 84.26 - Step 4: Simplify right side
133.36x = 15,510.41 - Step 5: Solve for x
x = 15,510.41/133.36 - Step 6: Final answer
x = 116.31
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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.