Finding the Fourth Proportional to 207.18, 310.77 and 183.30
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Solution
The fourth proportional to 207.18, 310.77 and 183.30 is: 274.95
Step by Step Solution
- Step 1: Write the proportion equation
207.18 : 310.77 = 183.30 : x - Step 2: Convert to fraction form
207.18/310.77 = 183.30/x - Step 3: Cross multiply
207.18x = 310.77 × 183.30 - Step 4: Simplify right side
207.18x = 56,964.14 - Step 5: Solve for x
x = 56,964.14/207.18 - Step 6: Final answer
x = 274.95
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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.