Finding the Fourth Proportional to 415.99, 623.05 and 360.42
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Solution
The fourth proportional to 415.99, 623.05 and 360.42 is: 539.82
Step by Step Solution
- Step 1: Write the proportion equation
415.99 : 623.05 = 360.42 : x - Step 2: Convert to fraction form
415.99/623.05 = 360.42/x - Step 3: Cross multiply
415.99x = 623.05 × 360.42 - Step 4: Simplify right side
415.99x = 224,559.68 - Step 5: Solve for x
x = 224,559.68/415.99 - Step 6: Final answer
x = 539.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.