Finding the Fourth Proportional to 267.10, 400.14 and 157.19
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Solution
The fourth proportional to 267.10, 400.14 and 157.19 is: 235.48
Step by Step Solution
- Step 1: Write the proportion equation
267.10 : 400.14 = 157.19 : x - Step 2: Convert to fraction form
267.10/400.14 = 157.19/x - Step 3: Cross multiply
267.10x = 400.14 × 157.19 - Step 4: Simplify right side
267.10x = 62,896.67 - Step 5: Solve for x
x = 62,896.67/267.10 - Step 6: Final answer
x = 235.48
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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.