Finding the Fourth Proportional to 898.19, 1,239.21 and 543.99
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Solution
The fourth proportional to 898.19, 1,239.21 and 543.99 is: 750.54
Step by Step Solution
- Step 1: Write the proportion equation
898.19 : 1,239.21 = 543.99 : x - Step 2: Convert to fraction form
898.19/1,239.21 = 543.99/x - Step 3: Cross multiply
898.19x = 1,239.21 × 543.99 - Step 4: Simplify right side
898.19x = 674,120.45 - Step 5: Solve for x
x = 674,120.45/898.19 - Step 6: Final answer
x = 750.54
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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.