Finding the Fourth Proportional to 267.61, 368.99 and 201.31
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Solution
The fourth proportional to 267.61, 368.99 and 201.31 is: 277.57
Step by Step Solution
- Step 1: Write the proportion equation
267.61 : 368.99 = 201.31 : x - Step 2: Convert to fraction form
267.61/368.99 = 201.31/x - Step 3: Cross multiply
267.61x = 368.99 × 201.31 - Step 4: Simplify right side
267.61x = 74,281.38 - Step 5: Solve for x
x = 74,281.38/267.61 - Step 6: Final answer
x = 277.57
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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.