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Finding the Fourth Proportional to 364.53, 547.63 and 210.84

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Solution

The fourth proportional to 364.53, 547.63 and 210.84 is: 316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.53 : 547.63 = 210.84 : x
  2. Step 2: Convert to fraction form
    364.53/547.63 = 210.84/x
  3. Step 3: Cross multiply
    364.53x = 547.63 × 210.84
  4. Step 4: Simplify right side
    364.53x = 115,459.73
  5. Step 5: Solve for x
    x = 115,459.73/364.53
  6. Step 6: Final answer
    x = 316.73

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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.