Finding the Fourth Proportional to 240.63, 332.09 and 135.75
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Solution
The fourth proportional to 240.63, 332.09 and 135.75 is: 187.35
Step by Step Solution
- Step 1: Write the proportion equation
240.63 : 332.09 = 135.75 : x - Step 2: Convert to fraction form
240.63/332.09 = 135.75/x - Step 3: Cross multiply
240.63x = 332.09 × 135.75 - Step 4: Simplify right side
240.63x = 45,082.29 - Step 5: Solve for x
x = 45,082.29/240.63 - Step 6: Final answer
x = 187.35
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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.