Finding the Fourth Proportional to 177.19, 265.95 and 79.74
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Solution
The fourth proportional to 177.19, 265.95 and 79.74 is: 119.69
Step by Step Solution
- Step 1: Write the proportion equation
177.19 : 265.95 = 79.74 : x - Step 2: Convert to fraction form
177.19/265.95 = 79.74/x - Step 3: Cross multiply
177.19x = 265.95 × 79.74 - Step 4: Simplify right side
177.19x = 21,206.85 - Step 5: Solve for x
x = 21,206.85/177.19 - Step 6: Final answer
x = 119.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.