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Finding the Fourth Proportional to 556.17, 833.92 and 263.49

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Solution

The fourth proportional to 556.17, 833.92 and 263.49 is: 395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.17 : 833.92 = 263.49 : x
  2. Step 2: Convert to fraction form
    556.17/833.92 = 263.49/x
  3. Step 3: Cross multiply
    556.17x = 833.92 × 263.49
  4. Step 4: Simplify right side
    556.17x = 219,728.26
  5. Step 5: Solve for x
    x = 219,728.26/556.17
  6. Step 6: Final answer
    x = 395.07

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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.