Finding the Fourth Proportional to 177.24, 244.68 and 135.96
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Solution
The fourth proportional to 177.24, 244.68 and 135.96 is: 187.69
Step by Step Solution
- Step 1: Write the proportion equation
177.24 : 244.68 = 135.96 : x - Step 2: Convert to fraction form
177.24/244.68 = 135.96/x - Step 3: Cross multiply
177.24x = 244.68 × 135.96 - Step 4: Simplify right side
177.24x = 33,266.69 - Step 5: Solve for x
x = 33,266.69/177.24 - Step 6: Final answer
x = 187.69
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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.