Finding the Fourth Proportional to 575.37, 866.99 and 474.90
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Solution
The fourth proportional to 575.37, 866.99 and 474.90 is: 715.59
Step by Step Solution
- Step 1: Write the proportion equation
575.37 : 866.99 = 474.90 : x - Step 2: Convert to fraction form
575.37/866.99 = 474.90/x - Step 3: Cross multiply
575.37x = 866.99 × 474.90 - Step 4: Simplify right side
575.37x = 411,731.18 - Step 5: Solve for x
x = 411,731.18/575.37 - Step 6: Final answer
x = 715.59
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.