Finding the Fourth Proportional to 58.97, 88.47 and 30.08
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Solution
The fourth proportional to 58.97, 88.47 and 30.08 is: 45.12
Step by Step Solution
- Step 1: Write the proportion equation
58.97 : 88.47 = 30.08 : x - Step 2: Convert to fraction form
58.97/88.47 = 30.08/x - Step 3: Cross multiply
58.97x = 88.47 × 30.08 - Step 4: Simplify right side
58.97x = 2,660.74 - Step 5: Solve for x
x = 2,660.74/58.97 - Step 6: Final answer
x = 45.12
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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.