Finding the Fourth Proportional to 1,060.42, 1,590.61 and 330
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Solution
The fourth proportional to 1,060.42, 1,590.61 and 330 is: 494.99
Step by Step Solution
- Step 1: Write the proportion equation
1,060.42 : 1,590.61 = 330 : x - Step 2: Convert to fraction form
1,060.42/1,590.61 = 330/x - Step 3: Cross multiply
1,060.42x = 1,590.61 × 330 - Step 4: Simplify right side
1,060.42x = 524,901.30 - Step 5: Solve for x
x = 524,901.30/1,060.42 - Step 6: Final answer
x = 494.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.