Finding the Fourth Proportional to 345.26, 476.53 and 197.99
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Solution
The fourth proportional to 345.26, 476.53 and 197.99 is: 273.27
Step by Step Solution
- Step 1: Write the proportion equation
345.26 : 476.53 = 197.99 : x - Step 2: Convert to fraction form
345.26/476.53 = 197.99/x - Step 3: Cross multiply
345.26x = 476.53 × 197.99 - Step 4: Simplify right side
345.26x = 94,348.87 - Step 5: Solve for x
x = 94,348.87/345.26 - Step 6: Final answer
x = 273.27
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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.