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Finding the Fourth Proportional to 410.01, 565.83 and 223.49

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Solution

The fourth proportional to 410.01, 565.83 and 223.49 is: 308.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.01 : 565.83 = 223.49 : x
  2. Step 2: Convert to fraction form
    410.01/565.83 = 223.49/x
  3. Step 3: Cross multiply
    410.01x = 565.83 × 223.49
  4. Step 4: Simplify right side
    410.01x = 126,458.76
  5. Step 5: Solve for x
    x = 126,458.76/410.01
  6. Step 6: Final answer
    x = 308.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.