Finding the Fourth Proportional to 306.99, 460.35 and 144.63
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Solution
The fourth proportional to 306.99, 460.35 and 144.63 is: 216.88
Step by Step Solution
- Step 1: Write the proportion equation
306.99 : 460.35 = 144.63 : x - Step 2: Convert to fraction form
306.99/460.35 = 144.63/x - Step 3: Cross multiply
306.99x = 460.35 × 144.63 - Step 4: Simplify right side
306.99x = 66,580.42 - Step 5: Solve for x
x = 66,580.42/306.99 - Step 6: Final answer
x = 216.88
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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.