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Finding the Fourth Proportional to 833.03, 1,249.56 and 540.98

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Solution

The fourth proportional to 833.03, 1,249.56 and 540.98 is: 811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.03 : 1,249.56 = 540.98 : x
  2. Step 2: Convert to fraction form
    833.03/1,249.56 = 540.98/x
  3. Step 3: Cross multiply
    833.03x = 1,249.56 × 540.98
  4. Step 4: Simplify right side
    833.03x = 675,980.72
  5. Step 5: Solve for x
    x = 675,980.72/833.03
  6. Step 6: Final answer
    x = 811.48

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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.