Finding the Fourth Proportional to 59.38, 88.37 and 58.09
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Solution
The fourth proportional to 59.38, 88.37 and 58.09 is: 86.45
Step by Step Solution
- Step 1: Write the proportion equation
59.38 : 88.37 = 58.09 : x - Step 2: Convert to fraction form
59.38/88.37 = 58.09/x - Step 3: Cross multiply
59.38x = 88.37 × 58.09 - Step 4: Simplify right side
59.38x = 5,133.41 - Step 5: Solve for x
x = 5,133.41/59.38 - Step 6: Final answer
x = 86.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.