Finding the Fourth Proportional to 339.80, 468.84 and 206.99
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Solution
The fourth proportional to 339.80, 468.84 and 206.99 is: 285.60
Step by Step Solution
- Step 1: Write the proportion equation
339.80 : 468.84 = 206.99 : x - Step 2: Convert to fraction form
339.80/468.84 = 206.99/x - Step 3: Cross multiply
339.80x = 468.84 × 206.99 - Step 4: Simplify right side
339.80x = 97,045.19 - Step 5: Solve for x
x = 97,045.19/339.80 - Step 6: Final answer
x = 285.60
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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.