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Finding the Fourth Proportional to 364.60, 547.56 and 210.94

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Solution

The fourth proportional to 364.60, 547.56 and 210.94 is: 316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.60 : 547.56 = 210.94 : x
  2. Step 2: Convert to fraction form
    364.60/547.56 = 210.94/x
  3. Step 3: Cross multiply
    364.60x = 547.56 × 210.94
  4. Step 4: Simplify right side
    364.60x = 115,502.31
  5. Step 5: Solve for x
    x = 115,502.31/364.60
  6. Step 6: Final answer
    x = 316.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.