Finding the Fourth Proportional to 473.99, 710.99 and 217.31
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Solution
The fourth proportional to 473.99, 710.99 and 217.31 is: 325.97
Step by Step Solution
- Step 1: Write the proportion equation
473.99 : 710.99 = 217.31 : x - Step 2: Convert to fraction form
473.99/710.99 = 217.31/x - Step 3: Cross multiply
473.99x = 710.99 × 217.31 - Step 4: Simplify right side
473.99x = 154,505.24 - Step 5: Solve for x
x = 154,505.24/473.99 - Step 6: Final answer
x = 325.97
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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.