Finding the Fourth Proportional to 177.80, 268.35 and 177.80
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Solution
The fourth proportional to 177.80, 268.35 and 177.80 is: 268.35
Step by Step Solution
- Step 1: Write the proportion equation
177.80 : 268.35 = 177.80 : x - Step 2: Convert to fraction form
177.80/268.35 = 177.80/x - Step 3: Cross multiply
177.80x = 268.35 × 177.80 - Step 4: Simplify right side
177.80x = 47,710.62 - Step 5: Solve for x
x = 47,710.62/177.80 - Step 6: Final answer
x = 268.35
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.