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Finding the Fourth Proportional to 1,466.88, 2,200.77 and 492.90

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Solution

The fourth proportional to 1,466.88, 2,200.77 and 492.90 is: 739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.88 : 2,200.77 = 492.90 : x
  2. Step 2: Convert to fraction form
    1,466.88/2,200.77 = 492.90/x
  3. Step 3: Cross multiply
    1,466.88x = 2,200.77 × 492.90
  4. Step 4: Simplify right side
    1,466.88x = 1,084,759.53
  5. Step 5: Solve for x
    x = 1,084,759.53/1,466.88
  6. Step 6: Final answer
    x = 739.50

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1.5x scale

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.