Finding the Fourth Proportional to 322.61, 483.18 and 159.99
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Solution
The fourth proportional to 322.61, 483.18 and 159.99 is: 239.62
Step by Step Solution
- Step 1: Write the proportion equation
322.61 : 483.18 = 159.99 : x - Step 2: Convert to fraction form
322.61/483.18 = 159.99/x - Step 3: Cross multiply
322.61x = 483.18 × 159.99 - Step 4: Simplify right side
322.61x = 77,303.97 - Step 5: Solve for x
x = 77,303.97/322.61 - Step 6: Final answer
x = 239.62
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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.