Finding the Fourth Proportional to 664.13, 996.27 and 177.19
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Solution
The fourth proportional to 664.13, 996.27 and 177.19 is: 265.80
Step by Step Solution
- Step 1: Write the proportion equation
664.13 : 996.27 = 177.19 : x - Step 2: Convert to fraction form
664.13/996.27 = 177.19/x - Step 3: Cross multiply
664.13x = 996.27 × 177.19 - Step 4: Simplify right side
664.13x = 176,525.93 - Step 5: Solve for x
x = 176,525.93/664.13 - Step 6: Final answer
x = 265.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.