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Finding the Fourth Proportional to 214.07, 295.45 and 131.24

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Solution

The fourth proportional to 214.07, 295.45 and 131.24 is: 181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.07 : 295.45 = 131.24 : x
  2. Step 2: Convert to fraction form
    214.07/295.45 = 131.24/x
  3. Step 3: Cross multiply
    214.07x = 295.45 × 131.24
  4. Step 4: Simplify right side
    214.07x = 38,775.27
  5. Step 5: Solve for x
    x = 38,775.27/214.07
  6. Step 6: Final answer
    x = 181.14

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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.