Home / 701.24-1,052.15-268.70

Finding the Fourth Proportional to 701.24, 1,052.15 and 268.70

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Solution

The fourth proportional to 701.24, 1,052.15 and 268.70 is: 403.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.24 : 1,052.15 = 268.70 : x
  2. Step 2: Convert to fraction form
    701.24/1,052.15 = 268.70/x
  3. Step 3: Cross multiply
    701.24x = 1,052.15 × 268.70
  4. Step 4: Simplify right side
    701.24x = 282,712.71
  5. Step 5: Solve for x
    x = 282,712.71/701.24
  6. Step 6: Final answer
    x = 403.16

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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.