Finding the Fourth Proportional to 260.13, 358.99 and 149.62
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Solution
The fourth proportional to 260.13, 358.99 and 149.62 is: 206.47
Step by Step Solution
- Step 1: Write the proportion equation
260.13 : 358.99 = 149.62 : x - Step 2: Convert to fraction form
260.13/358.99 = 149.62/x - Step 3: Cross multiply
260.13x = 358.99 × 149.62 - Step 4: Simplify right side
260.13x = 53,709.86 - Step 5: Solve for x
x = 53,709.86/260.13 - Step 6: Final answer
x = 206.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.