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Finding the Fourth Proportional to 406.06, 560.37 and 250.90

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Solution

The fourth proportional to 406.06, 560.37 and 250.90 is: 346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    406.06 : 560.37 = 250.90 : x
  2. Step 2: Convert to fraction form
    406.06/560.37 = 250.90/x
  3. Step 3: Cross multiply
    406.06x = 560.37 × 250.90
  4. Step 4: Simplify right side
    406.06x = 140,596.83
  5. Step 5: Solve for x
    x = 140,596.83/406.06
  6. Step 6: Final answer
    x = 346.25

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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.