Finding the Fourth Proportional to 580.24, 866.21 and 559.99
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Solution
The fourth proportional to 580.24, 866.21 and 559.99 is: 835.98
Step by Step Solution
- Step 1: Write the proportion equation
580.24 : 866.21 = 559.99 : x - Step 2: Convert to fraction form
580.24/866.21 = 559.99/x - Step 3: Cross multiply
580.24x = 866.21 × 559.99 - Step 4: Simplify right side
580.24x = 485,068.94 - Step 5: Solve for x
x = 485,068.94/580.24 - Step 6: Final answer
x = 835.98
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.