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Finding the Fourth Proportional to 1,360.98, 2,040.98 and 483.17

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Solution

The fourth proportional to 1,360.98, 2,040.98 and 483.17 is: 724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360.98 : 2,040.98 = 483.17 : x
  2. Step 2: Convert to fraction form
    1,360.98/2,040.98 = 483.17/x
  3. Step 3: Cross multiply
    1,360.98x = 2,040.98 × 483.17
  4. Step 4: Simplify right side
    1,360.98x = 986,127.69
  5. Step 5: Solve for x
    x = 986,127.69/1,360.98
  6. Step 6: Final answer
    x = 724.57

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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.