Finding the Fourth Proportional to 557.23, 835.95 and 186.99
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Solution
The fourth proportional to 557.23, 835.95 and 186.99 is: 280.52
Step by Step Solution
- Step 1: Write the proportion equation
557.23 : 835.95 = 186.99 : x - Step 2: Convert to fraction form
557.23/835.95 = 186.99/x - Step 3: Cross multiply
557.23x = 835.95 × 186.99 - Step 4: Simplify right side
557.23x = 156,314.29 - Step 5: Solve for x
x = 156,314.29/557.23 - Step 6: Final answer
x = 280.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.