Finding the Fourth Proportional to 405.99, 560.08 and 295.26
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Solution
The fourth proportional to 405.99, 560.08 and 295.26 is: 407.32
Step by Step Solution
- Step 1: Write the proportion equation
405.99 : 560.08 = 295.26 : x - Step 2: Convert to fraction form
405.99/560.08 = 295.26/x - Step 3: Cross multiply
405.99x = 560.08 × 295.26 - Step 4: Simplify right side
405.99x = 165,369.22 - Step 5: Solve for x
x = 165,369.22/405.99 - Step 6: Final answer
x = 407.32
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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.