Finding the Fourth Proportional to 149.18, 204.77 and 132.44
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Solution
The fourth proportional to 149.18, 204.77 and 132.44 is: 181.79
Step by Step Solution
- Step 1: Write the proportion equation
149.18 : 204.77 = 132.44 : x - Step 2: Convert to fraction form
149.18/204.77 = 132.44/x - Step 3: Cross multiply
149.18x = 204.77 × 132.44 - Step 4: Simplify right side
149.18x = 27,119.74 - Step 5: Solve for x
x = 27,119.74/149.18 - Step 6: Final answer
x = 181.79
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.