Finding the Fourth Proportional to 177.38, 244.99 and 130.67
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Solution
The fourth proportional to 177.38, 244.99 and 130.67 is: 180.48
Step by Step Solution
- Step 1: Write the proportion equation
177.38 : 244.99 = 130.67 : x - Step 2: Convert to fraction form
177.38/244.99 = 130.67/x - Step 3: Cross multiply
177.38x = 244.99 × 130.67 - Step 4: Simplify right side
177.38x = 32,012.84 - Step 5: Solve for x
x = 32,012.84/177.38 - Step 6: Final answer
x = 180.48
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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.