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Finding the Fourth Proportional to 556.61, 833.83 and 371.00

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Solution

The fourth proportional to 556.61, 833.83 and 371.00 is: 555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.61 : 833.83 = 371.00 : x
  2. Step 2: Convert to fraction form
    556.61/833.83 = 371.00/x
  3. Step 3: Cross multiply
    556.61x = 833.83 × 371.00
  4. Step 4: Simplify right side
    556.61x = 309,352.09
  5. Step 5: Solve for x
    x = 309,352.09/556.61
  6. Step 6: Final answer
    x = 555.78

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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.