Finding the Fourth Proportional to 842.69, 1,163.21 and 510.99
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Solution
The fourth proportional to 842.69, 1,163.21 and 510.99 is: 705.35
Step by Step Solution
- Step 1: Write the proportion equation
842.69 : 1,163.21 = 510.99 : x - Step 2: Convert to fraction form
842.69/1,163.21 = 510.99/x - Step 3: Cross multiply
842.69x = 1,163.21 × 510.99 - Step 4: Simplify right side
842.69x = 594,386.12 - Step 5: Solve for x
x = 594,386.12/842.69 - Step 6: Final answer
x = 705.35
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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.