Finding the Fourth Proportional to 234.68, 351.99 and 97.70
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Solution
The fourth proportional to 234.68, 351.99 and 97.70 is: 146.53
Step by Step Solution
- Step 1: Write the proportion equation
234.68 : 351.99 = 97.70 : x - Step 2: Convert to fraction form
234.68/351.99 = 97.70/x - Step 3: Cross multiply
234.68x = 351.99 × 97.70 - Step 4: Simplify right side
234.68x = 34,387.66 - Step 5: Solve for x
x = 34,387.66/234.68 - Step 6: Final answer
x = 146.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.