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Finding the Fourth Proportional to 1,650.75, 2,476.14 and 496.50

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Solution

The fourth proportional to 1,650.75, 2,476.14 and 496.50 is: 744.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.75 : 2,476.14 = 496.50 : x
  2. Step 2: Convert to fraction form
    1,650.75/2,476.14 = 496.50/x
  3. Step 3: Cross multiply
    1,650.75x = 2,476.14 × 496.50
  4. Step 4: Simplify right side
    1,650.75x = 1,229,403.51
  5. Step 5: Solve for x
    x = 1,229,403.51/1,650.75
  6. Step 6: Final answer
    x = 744.75

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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.