Finding the Fourth Proportional to 177.55, 266.02 and 131.99
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Solution
The fourth proportional to 177.55, 266.02 and 131.99 is: 197.75
Step by Step Solution
- Step 1: Write the proportion equation
177.55 : 266.02 = 131.99 : x - Step 2: Convert to fraction form
177.55/266.02 = 131.99/x - Step 3: Cross multiply
177.55x = 266.02 × 131.99 - Step 4: Simplify right side
177.55x = 35,110.32 - Step 5: Solve for x
x = 35,110.32/177.55 - Step 6: Final answer
x = 197.75
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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.