Finding the Fourth Proportional to 177.37, 266.10 and 55.66
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Solution
The fourth proportional to 177.37, 266.10 and 55.66 is: 83.50
Step by Step Solution
- Step 1: Write the proportion equation
177.37 : 266.10 = 55.66 : x - Step 2: Convert to fraction form
177.37/266.10 = 55.66/x - Step 3: Cross multiply
177.37x = 266.10 × 55.66 - Step 4: Simplify right side
177.37x = 14,811.13 - Step 5: Solve for x
x = 14,811.13/177.37 - Step 6: Final answer
x = 83.50
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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.