Finding the Fourth Proportional to 410.79, 567.17 and 322.63
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Solution
The fourth proportional to 410.79, 567.17 and 322.63 is: 445.45
Step by Step Solution
- Step 1: Write the proportion equation
410.79 : 567.17 = 322.63 : x - Step 2: Convert to fraction form
410.79/567.17 = 322.63/x - Step 3: Cross multiply
410.79x = 567.17 × 322.63 - Step 4: Simplify right side
410.79x = 182,989.24 - Step 5: Solve for x
x = 182,989.24/410.79 - Step 6: Final answer
x = 445.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.