Finding the Fourth Proportional to 357.24, 492.84 and 259.08
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Solution
The fourth proportional to 357.24, 492.84 and 259.08 is: 357.42
Step by Step Solution
- Step 1: Write the proportion equation
357.24 : 492.84 = 259.08 : x - Step 2: Convert to fraction form
357.24/492.84 = 259.08/x - Step 3: Cross multiply
357.24x = 492.84 × 259.08 - Step 4: Simplify right side
357.24x = 127,684.99 - Step 5: Solve for x
x = 127,684.99/357.24 - Step 6: Final answer
x = 357.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.