Finding the Fourth Proportional to 558.20, 837.19 and 192.99
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Solution
The fourth proportional to 558.20, 837.19 and 192.99 is: 289.45
Step by Step Solution
- Step 1: Write the proportion equation
558.20 : 837.19 = 192.99 : x - Step 2: Convert to fraction form
558.20/837.19 = 192.99/x - Step 3: Cross multiply
558.20x = 837.19 × 192.99 - Step 4: Simplify right side
558.20x = 161,569.30 - Step 5: Solve for x
x = 161,569.30/558.20 - Step 6: Final answer
x = 289.45
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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.