Finding the Fourth Proportional to 235.62, 325.18 and 136.06
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Solution
The fourth proportional to 235.62, 325.18 and 136.06 is: 187.78
Step by Step Solution
- Step 1: Write the proportion equation
235.62 : 325.18 = 136.06 : x - Step 2: Convert to fraction form
235.62/325.18 = 136.06/x - Step 3: Cross multiply
235.62x = 325.18 × 136.06 - Step 4: Simplify right side
235.62x = 44,243.99 - Step 5: Solve for x
x = 44,243.99/235.62 - Step 6: Final answer
x = 187.78
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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.