Finding the Fourth Proportional to 240.10, 331.26 and 135.18
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Solution
The fourth proportional to 240.10, 331.26 and 135.18 is: 186.50
Step by Step Solution
- Step 1: Write the proportion equation
240.10 : 331.26 = 135.18 : x - Step 2: Convert to fraction form
240.10/331.26 = 135.18/x - Step 3: Cross multiply
240.10x = 331.26 × 135.18 - Step 4: Simplify right side
240.10x = 44,779.73 - Step 5: Solve for x
x = 44,779.73/240.10 - Step 6: Final answer
x = 186.50
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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.