Finding the Fourth Proportional to 235.37, 324.82 and 135.79
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Solution
The fourth proportional to 235.37, 324.82 and 135.79 is: 187.39
Step by Step Solution
- Step 1: Write the proportion equation
235.37 : 324.82 = 135.79 : x - Step 2: Convert to fraction form
235.37/324.82 = 135.79/x - Step 3: Cross multiply
235.37x = 324.82 × 135.79 - Step 4: Simplify right side
235.37x = 44,106.63 - Step 5: Solve for x
x = 44,106.63/235.37 - Step 6: Final answer
x = 187.39
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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.