Finding the Fourth Proportional to 293.99, 405.70 and 162.99
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Solution
The fourth proportional to 293.99, 405.70 and 162.99 is: 224.93
Step by Step Solution
- Step 1: Write the proportion equation
293.99 : 405.70 = 162.99 : x - Step 2: Convert to fraction form
293.99/405.70 = 162.99/x - Step 3: Cross multiply
293.99x = 405.70 × 162.99 - Step 4: Simplify right side
293.99x = 66,124.64 - Step 5: Solve for x
x = 66,124.64/293.99 - Step 6: Final answer
x = 224.93
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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.