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Finding the Fourth Proportional to 410.89, 566.07 and 286.33

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Solution

The fourth proportional to 410.89, 566.07 and 286.33 is: 394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.89 : 566.07 = 286.33 : x
  2. Step 2: Convert to fraction form
    410.89/566.07 = 286.33/x
  3. Step 3: Cross multiply
    410.89x = 566.07 × 286.33
  4. Step 4: Simplify right side
    410.89x = 162,079.98
  5. Step 5: Solve for x
    x = 162,079.98/410.89
  6. Step 6: Final answer
    x = 394.46

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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.