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Finding the Fourth Proportional to 556.28, 833.29 and 263.37

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Solution

The fourth proportional to 556.28, 833.29 and 263.37 is: 394.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.28 : 833.29 = 263.37 : x
  2. Step 2: Convert to fraction form
    556.28/833.29 = 263.37/x
  3. Step 3: Cross multiply
    556.28x = 833.29 × 263.37
  4. Step 4: Simplify right side
    556.28x = 219,462.93
  5. Step 5: Solve for x
    x = 219,462.93/556.28
  6. Step 6: Final answer
    x = 394.52

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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.