Finding the Fourth Proportional to 345.63, 476.99 and 198.26
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Solution
The fourth proportional to 345.63, 476.99 and 198.26 is: 273.61
Step by Step Solution
- Step 1: Write the proportion equation
345.63 : 476.99 = 198.26 : x - Step 2: Convert to fraction form
345.63/476.99 = 198.26/x - Step 3: Cross multiply
345.63x = 476.99 × 198.26 - Step 4: Simplify right side
345.63x = 94,568.04 - Step 5: Solve for x
x = 94,568.04/345.63 - Step 6: Final answer
x = 273.61
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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.