Home / 700.20-1,050.36-180.27

Finding the Fourth Proportional to 700.20, 1,050.36 and 180.27

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Solution

The fourth proportional to 700.20, 1,050.36 and 180.27 is: 270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.20 : 1,050.36 = 180.27 : x
  2. Step 2: Convert to fraction form
    700.20/1,050.36 = 180.27/x
  3. Step 3: Cross multiply
    700.20x = 1,050.36 × 180.27
  4. Step 4: Simplify right side
    700.20x = 189,348.40
  5. Step 5: Solve for x
    x = 189,348.40/700.20
  6. Step 6: Final answer
    x = 270.42

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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.