Finding the Fourth Proportional to 266.96, 400.58 and 112.99
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Solution
The fourth proportional to 266.96, 400.58 and 112.99 is: 169.54
Step by Step Solution
- Step 1: Write the proportion equation
266.96 : 400.58 = 112.99 : x - Step 2: Convert to fraction form
266.96/400.58 = 112.99/x - Step 3: Cross multiply
266.96x = 400.58 × 112.99 - Step 4: Simplify right side
266.96x = 45,261.53 - Step 5: Solve for x
x = 45,261.53/266.96 - Step 6: Final answer
x = 169.54
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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.