Finding the Fourth Proportional to 903.62, 1,246.97 and 510.63
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Solution
The fourth proportional to 903.62, 1,246.97 and 510.63 is: 704.66
Step by Step Solution
- Step 1: Write the proportion equation
903.62 : 1,246.97 = 510.63 : x - Step 2: Convert to fraction form
903.62/1,246.97 = 510.63/x - Step 3: Cross multiply
903.62x = 1,246.97 × 510.63 - Step 4: Simplify right side
903.62x = 636,737.74 - Step 5: Solve for x
x = 636,737.74/903.62 - Step 6: Final answer
x = 704.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.