Finding the Fourth Proportional to 267.79, 368.97 and 180.31
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Solution
The fourth proportional to 267.79, 368.97 and 180.31 is: 248.43
Step by Step Solution
- Step 1: Write the proportion equation
267.79 : 368.97 = 180.31 : x - Step 2: Convert to fraction form
267.79/368.97 = 180.31/x - Step 3: Cross multiply
267.79x = 368.97 × 180.31 - Step 4: Simplify right side
267.79x = 66,528.08 - Step 5: Solve for x
x = 66,528.08/267.79 - Step 6: Final answer
x = 248.43
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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.