Finding the Fourth Proportional to 415.59, 624.11 and 306.99
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Solution
The fourth proportional to 415.59, 624.11 and 306.99 is: 461.02
Step by Step Solution
- Step 1: Write the proportion equation
415.59 : 624.11 = 306.99 : x - Step 2: Convert to fraction form
415.59/624.11 = 306.99/x - Step 3: Cross multiply
415.59x = 624.11 × 306.99 - Step 4: Simplify right side
415.59x = 191,595.53 - Step 5: Solve for x
x = 191,595.53/415.59 - Step 6: Final answer
x = 461.02
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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.