Finding the Fourth Proportional to 344.98, 476.08 and 197.66
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Solution
The fourth proportional to 344.98, 476.08 and 197.66 is: 272.78
Step by Step Solution
- Step 1: Write the proportion equation
344.98 : 476.08 = 197.66 : x - Step 2: Convert to fraction form
344.98/476.08 = 197.66/x - Step 3: Cross multiply
344.98x = 476.08 × 197.66 - Step 4: Simplify right side
344.98x = 94,102.67 - Step 5: Solve for x
x = 94,102.67/344.98 - Step 6: Final answer
x = 272.78
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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.