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Finding the Fourth Proportional to 556.04, 833.70 and 475.40

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Solution

The fourth proportional to 556.04, 833.70 and 475.40 is: 712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.04 : 833.70 = 475.40 : x
  2. Step 2: Convert to fraction form
    556.04/833.70 = 475.40/x
  3. Step 3: Cross multiply
    556.04x = 833.70 × 475.40
  4. Step 4: Simplify right side
    556.04x = 396,340.98
  5. Step 5: Solve for x
    x = 396,340.98/556.04
  6. Step 6: Final answer
    x = 712.79

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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.