Finding the Fourth Proportional to 183.55, 252.84 and 157.23
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Solution
The fourth proportional to 183.55, 252.84 and 157.23 is: 216.59
Step by Step Solution
- Step 1: Write the proportion equation
183.55 : 252.84 = 157.23 : x - Step 2: Convert to fraction form
183.55/252.84 = 157.23/x - Step 3: Cross multiply
183.55x = 252.84 × 157.23 - Step 4: Simplify right side
183.55x = 39,754.35 - Step 5: Solve for x
x = 39,754.35/183.55 - Step 6: Final answer
x = 216.59
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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.