Finding the Fourth Proportional to 268.80, 371 and 170.68
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Solution
The fourth proportional to 268.80, 371 and 170.68 is: 235.57
Step by Step Solution
- Step 1: Write the proportion equation
268.80 : 371 = 170.68 : x - Step 2: Convert to fraction form
268.80/371 = 170.68/x - Step 3: Cross multiply
268.80x = 371 × 170.68 - Step 4: Simplify right side
268.80x = 63,322.28 - Step 5: Solve for x
x = 63,322.28/268.80 - Step 6: Final answer
x = 235.57
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.