Finding the Fourth Proportional to 177.58, 244.99 and 157.87
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Solution
The fourth proportional to 177.58, 244.99 and 157.87 is: 217.80
Step by Step Solution
- Step 1: Write the proportion equation
177.58 : 244.99 = 157.87 : x - Step 2: Convert to fraction form
177.58/244.99 = 157.87/x - Step 3: Cross multiply
177.58x = 244.99 × 157.87 - Step 4: Simplify right side
177.58x = 38,676.57 - Step 5: Solve for x
x = 38,676.57/177.58 - Step 6: Final answer
x = 217.80
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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.