Finding the Fourth Proportional to 357.23, 535.97 and 192.68
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Solution
The fourth proportional to 357.23, 535.97 and 192.68 is: 289.08
Step by Step Solution
- Step 1: Write the proportion equation
357.23 : 535.97 = 192.68 : x - Step 2: Convert to fraction form
357.23/535.97 = 192.68/x - Step 3: Cross multiply
357.23x = 535.97 × 192.68 - Step 4: Simplify right side
357.23x = 103,267.06 - Step 5: Solve for x
x = 103,267.06/357.23 - Step 6: Final answer
x = 289.08
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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.