Finding the Fourth Proportional to 235.55, 325.08 and 135.97
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Solution
The fourth proportional to 235.55, 325.08 and 135.97 is: 187.65
Step by Step Solution
- Step 1: Write the proportion equation
235.55 : 325.08 = 135.97 : x - Step 2: Convert to fraction form
235.55/325.08 = 135.97/x - Step 3: Cross multiply
235.55x = 325.08 × 135.97 - Step 4: Simplify right side
235.55x = 44,200.31 - Step 5: Solve for x
x = 44,200.31/235.55 - Step 6: Final answer
x = 187.65
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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.