Finding the Fourth Proportional to 267.55, 401.44 and 84.96
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Solution
The fourth proportional to 267.55, 401.44 and 84.96 is: 127.48
Step by Step Solution
- Step 1: Write the proportion equation
267.55 : 401.44 = 84.96 : x - Step 2: Convert to fraction form
267.55/401.44 = 84.96/x - Step 3: Cross multiply
267.55x = 401.44 × 84.96 - Step 4: Simplify right side
267.55x = 34,106.13 - Step 5: Solve for x
x = 34,106.13/267.55 - Step 6: Final answer
x = 127.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.