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Finding the Fourth Proportional to 214.65, 295.11 and 213.35

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Solution

The fourth proportional to 214.65, 295.11 and 213.35 is: 293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.65 : 295.11 = 213.35 : x
  2. Step 2: Convert to fraction form
    214.65/295.11 = 213.35/x
  3. Step 3: Cross multiply
    214.65x = 295.11 × 213.35
  4. Step 4: Simplify right side
    214.65x = 62,960.24
  5. Step 5: Solve for x
    x = 62,960.24/214.65
  6. Step 6: Final answer
    x = 293.32

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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.