Finding the Fourth Proportional to 59.13, 81.53 and 45.99
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Solution
The fourth proportional to 59.13, 81.53 and 45.99 is: 63.41
Step by Step Solution
- Step 1: Write the proportion equation
59.13 : 81.53 = 45.99 : x - Step 2: Convert to fraction form
59.13/81.53 = 45.99/x - Step 3: Cross multiply
59.13x = 81.53 × 45.99 - Step 4: Simplify right side
59.13x = 3,749.51 - Step 5: Solve for x
x = 3,749.51/59.13 - Step 6: Final answer
x = 63.41
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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.