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Finding the Fourth Proportional to 250.12, 344.86 and 210.93

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Solution

The fourth proportional to 250.12, 344.86 and 210.93 is: 290.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.12 : 344.86 = 210.93 : x
  2. Step 2: Convert to fraction form
    250.12/344.86 = 210.93/x
  3. Step 3: Cross multiply
    250.12x = 344.86 × 210.93
  4. Step 4: Simplify right side
    250.12x = 72,741.32
  5. Step 5: Solve for x
    x = 72,741.32/250.12
  6. Step 6: Final answer
    x = 290.83

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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.