Finding the Fourth Proportional to 177.54, 244.99 and 107.63
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Solution
The fourth proportional to 177.54, 244.99 and 107.63 is: 148.52
Step by Step Solution
- Step 1: Write the proportion equation
177.54 : 244.99 = 107.63 : x - Step 2: Convert to fraction form
177.54/244.99 = 107.63/x - Step 3: Cross multiply
177.54x = 244.99 × 107.63 - Step 4: Simplify right side
177.54x = 26,368.10 - Step 5: Solve for x
x = 26,368.10/177.54 - Step 6: Final answer
x = 148.52
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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.