Finding the Fourth Proportional to 267.66, 400.59 and 228.99
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Solution
The fourth proportional to 267.66, 400.59 and 228.99 is: 342.72
Step by Step Solution
- Step 1: Write the proportion equation
267.66 : 400.59 = 228.99 : x - Step 2: Convert to fraction form
267.66/400.59 = 228.99/x - Step 3: Cross multiply
267.66x = 400.59 × 228.99 - Step 4: Simplify right side
267.66x = 91,731.10 - Step 5: Solve for x
x = 91,731.10/267.66 - Step 6: Final answer
x = 342.72
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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.