Finding the Fourth Proportional to 267.36, 400.93 and 84.70
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Solution
The fourth proportional to 267.36, 400.93 and 84.70 is: 127.02
Step by Step Solution
- Step 1: Write the proportion equation
267.36 : 400.93 = 84.70 : x - Step 2: Convert to fraction form
267.36/400.93 = 84.70/x - Step 3: Cross multiply
267.36x = 400.93 × 84.70 - Step 4: Simplify right side
267.36x = 33,958.77 - Step 5: Solve for x
x = 33,958.77/267.36 - Step 6: Final answer
x = 127.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.