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Finding the Fourth Proportional to 555.25, 833.19 and 247.06

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Solution

The fourth proportional to 555.25, 833.19 and 247.06 is: 370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.25 : 833.19 = 247.06 : x
  2. Step 2: Convert to fraction form
    555.25/833.19 = 247.06/x
  3. Step 3: Cross multiply
    555.25x = 833.19 × 247.06
  4. Step 4: Simplify right side
    555.25x = 205,847.92
  5. Step 5: Solve for x
    x = 205,847.92/555.25
  6. Step 6: Final answer
    x = 370.73

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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.