Finding the Fourth Proportional to 58.97, 81.18 and 51.53
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Solution
The fourth proportional to 58.97, 81.18 and 51.53 is: 70.94
Step by Step Solution
- Step 1: Write the proportion equation
58.97 : 81.18 = 51.53 : x - Step 2: Convert to fraction form
58.97/81.18 = 51.53/x - Step 3: Cross multiply
58.97x = 81.18 × 51.53 - Step 4: Simplify right side
58.97x = 4,183.21 - Step 5: Solve for x
x = 4,183.21/58.97 - Step 6: Final answer
x = 70.94
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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.