Finding the Fourth Proportional to 267.12, 400.36 and 159
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Solution
The fourth proportional to 267.12, 400.36 and 159 is: 238.31
Step by Step Solution
- Step 1: Write the proportion equation
267.12 : 400.36 = 159 : x - Step 2: Convert to fraction form
267.12/400.36 = 159/x - Step 3: Cross multiply
267.12x = 400.36 × 159 - Step 4: Simplify right side
267.12x = 63,657.24 - Step 5: Solve for x
x = 63,657.24/267.12 - Step 6: Final answer
x = 238.31
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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.