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Finding the Fourth Proportional to 214.25, 293.86 and 210.26

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Solution

The fourth proportional to 214.25, 293.86 and 210.26 is: 288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.25 : 293.86 = 210.26 : x
  2. Step 2: Convert to fraction form
    214.25/293.86 = 210.26/x
  3. Step 3: Cross multiply
    214.25x = 293.86 × 210.26
  4. Step 4: Simplify right side
    214.25x = 61,788.00
  5. Step 5: Solve for x
    x = 61,788.00/214.25
  6. Step 6: Final answer
    x = 288.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.