Finding the Fourth Proportional to 276.06, 381.23 and 177.99
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Solution
The fourth proportional to 276.06, 381.23 and 177.99 is: 245.80
Step by Step Solution
- Step 1: Write the proportion equation
276.06 : 381.23 = 177.99 : x - Step 2: Convert to fraction form
276.06/381.23 = 177.99/x - Step 3: Cross multiply
276.06x = 381.23 × 177.99 - Step 4: Simplify right side
276.06x = 67,854.24 - Step 5: Solve for x
x = 67,854.24/276.06 - Step 6: Final answer
x = 245.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.