Finding the Fourth Proportional to 293.96, 405.66 and 176
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Solution
The fourth proportional to 293.96, 405.66 and 176 is: 242.88
Step by Step Solution
- Step 1: Write the proportion equation
293.96 : 405.66 = 176 : x - Step 2: Convert to fraction form
293.96/405.66 = 176/x - Step 3: Cross multiply
293.96x = 405.66 × 176 - Step 4: Simplify right side
293.96x = 71,396.16 - Step 5: Solve for x
x = 71,396.16/293.96 - Step 6: Final answer
x = 242.88
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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.