Finding the Fourth Proportional to 358.99, 537.58 and 328.92
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Solution
The fourth proportional to 358.99, 537.58 and 328.92 is: 492.55
Step by Step Solution
- Step 1: Write the proportion equation
358.99 : 537.58 = 328.92 : x - Step 2: Convert to fraction form
358.99/537.58 = 328.92/x - Step 3: Cross multiply
358.99x = 537.58 × 328.92 - Step 4: Simplify right side
358.99x = 176,820.81 - Step 5: Solve for x
x = 176,820.81/358.99 - Step 6: Final answer
x = 492.55
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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.