Home / 1,106.10-1,659.15-336.60

Finding the Fourth Proportional to 1,106.10, 1,659.15 and 336.60

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Solution

The fourth proportional to 1,106.10, 1,659.15 and 336.60 is: 504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106.10 : 1,659.15 = 336.60 : x
  2. Step 2: Convert to fraction form
    1,106.10/1,659.15 = 336.60/x
  3. Step 3: Cross multiply
    1,106.10x = 1,659.15 × 336.60
  4. Step 4: Simplify right side
    1,106.10x = 558,469.89
  5. Step 5: Solve for x
    x = 558,469.89/1,106.10
  6. Step 6: Final answer
    x = 504.90

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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.