Finding the Fourth Proportional to 267.30, 400.98 and 84.68
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Solution
The fourth proportional to 267.30, 400.98 and 84.68 is: 127.03
Step by Step Solution
- Step 1: Write the proportion equation
267.30 : 400.98 = 84.68 : x - Step 2: Convert to fraction form
267.30/400.98 = 84.68/x - Step 3: Cross multiply
267.30x = 400.98 × 84.68 - Step 4: Simplify right side
267.30x = 33,954.99 - Step 5: Solve for x
x = 33,954.99/267.30 - Step 6: Final answer
x = 127.03
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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.