Finding the Fourth Proportional to 58.92, 88.36 and 30.02
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Solution
The fourth proportional to 58.92, 88.36 and 30.02 is: 45.02
Step by Step Solution
- Step 1: Write the proportion equation
58.92 : 88.36 = 30.02 : x - Step 2: Convert to fraction form
58.92/88.36 = 30.02/x - Step 3: Cross multiply
58.92x = 88.36 × 30.02 - Step 4: Simplify right side
58.92x = 2,652.57 - Step 5: Solve for x
x = 2,652.57/58.92 - Step 6: Final answer
x = 45.02
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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.