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Finding the Fourth Proportional to 556.10, 833.68 and 263.44

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Solution

The fourth proportional to 556.10, 833.68 and 263.44 is: 394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.10 : 833.68 = 263.44 : x
  2. Step 2: Convert to fraction form
    556.10/833.68 = 263.44/x
  3. Step 3: Cross multiply
    556.10x = 833.68 × 263.44
  4. Step 4: Simplify right side
    556.10x = 219,624.66
  5. Step 5: Solve for x
    x = 219,624.66/556.10
  6. Step 6: Final answer
    x = 394.94

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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.