Home / 708.03-1,061.83-245.79

Finding the Fourth Proportional to 708.03, 1,061.83 and 245.79

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Solution

The fourth proportional to 708.03, 1,061.83 and 245.79 is: 368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    708.03 : 1,061.83 = 245.79 : x
  2. Step 2: Convert to fraction form
    708.03/1,061.83 = 245.79/x
  3. Step 3: Cross multiply
    708.03x = 1,061.83 × 245.79
  4. Step 4: Simplify right side
    708.03x = 260,987.20
  5. Step 5: Solve for x
    x = 260,987.20/708.03
  6. Step 6: Final answer
    x = 368.61

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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.