Finding the Fourth Proportional to 267.23, 368.84 and 167.70
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Solution
The fourth proportional to 267.23, 368.84 and 167.70 is: 231.47
Step by Step Solution
- Step 1: Write the proportion equation
267.23 : 368.84 = 167.70 : x - Step 2: Convert to fraction form
267.23/368.84 = 167.70/x - Step 3: Cross multiply
267.23x = 368.84 × 167.70 - Step 4: Simplify right side
267.23x = 61,853.63 - Step 5: Solve for x
x = 61,853.63/267.23 - Step 6: Final answer
x = 231.47
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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.