Home / 700.20-1,050.36-267.24

Finding the Fourth Proportional to 700.20, 1,050.36 and 267.24

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Solution

The fourth proportional to 700.20, 1,050.36 and 267.24 is: 400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.20 : 1,050.36 = 267.24 : x
  2. Step 2: Convert to fraction form
    700.20/1,050.36 = 267.24/x
  3. Step 3: Cross multiply
    700.20x = 1,050.36 × 267.24
  4. Step 4: Simplify right side
    700.20x = 280,698.21
  5. Step 5: Solve for x
    x = 280,698.21/700.20
  6. Step 6: Final answer
    x = 400.88

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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.