Finding the Fourth Proportional to 845.24, 1,266.96 and 358
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Solution
The fourth proportional to 845.24, 1,266.96 and 358 is: 536.62
Step by Step Solution
- Step 1: Write the proportion equation
845.24 : 1,266.96 = 358 : x - Step 2: Convert to fraction form
845.24/1,266.96 = 358/x - Step 3: Cross multiply
845.24x = 1,266.96 × 358 - Step 4: Simplify right side
845.24x = 453,571.68 - Step 5: Solve for x
x = 453,571.68/845.24 - Step 6: Final answer
x = 536.62
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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.