Finding the Fourth Proportional to 235.80, 325.53 and 157.23
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Solution
The fourth proportional to 235.80, 325.53 and 157.23 is: 217.06
Step by Step Solution
- Step 1: Write the proportion equation
235.80 : 325.53 = 157.23 : x - Step 2: Convert to fraction form
235.80/325.53 = 157.23/x - Step 3: Cross multiply
235.80x = 325.53 × 157.23 - Step 4: Simplify right side
235.80x = 51,183.08 - Step 5: Solve for x
x = 51,183.08/235.80 - Step 6: Final answer
x = 217.06
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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.