Finding the Fourth Proportional to 555.17, 833.58 and 545.99
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Solution
The fourth proportional to 555.17, 833.58 and 545.99 is: 819.80
Step by Step Solution
- Step 1: Write the proportion equation
555.17 : 833.58 = 545.99 : x - Step 2: Convert to fraction form
555.17/833.58 = 545.99/x - Step 3: Cross multiply
555.17x = 833.58 × 545.99 - Step 4: Simplify right side
555.17x = 455,122.18 - Step 5: Solve for x
x = 455,122.18/555.17 - Step 6: Final answer
x = 819.80
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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.