Finding the Fourth Proportional to 293.99, 405.71 and 163
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Solution
The fourth proportional to 293.99, 405.71 and 163 is: 224.94
Step by Step Solution
- Step 1: Write the proportion equation
293.99 : 405.71 = 163 : x - Step 2: Convert to fraction form
293.99/405.71 = 163/x - Step 3: Cross multiply
293.99x = 405.71 × 163 - Step 4: Simplify right side
293.99x = 66,130.73 - Step 5: Solve for x
x = 66,130.73/293.99 - Step 6: Final answer
x = 224.94
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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.