Finding the Fourth Proportional to 56.13, 84.18 and 29.09
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Solution
The fourth proportional to 56.13, 84.18 and 29.09 is: 43.62
Step by Step Solution
- Step 1: Write the proportion equation
56.13 : 84.18 = 29.09 : x - Step 2: Convert to fraction form
56.13/84.18 = 29.09/x - Step 3: Cross multiply
56.13x = 84.18 × 29.09 - Step 4: Simplify right side
56.13x = 2,448.38 - Step 5: Solve for x
x = 2,448.38/56.13 - Step 6: Final answer
x = 43.62
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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.