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Finding the Fourth Proportional to 652.63, 979.08 and 214

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Solution

The fourth proportional to 652.63, 979.08 and 214 is: 321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.63 : 979.08 = 214 : x
  2. Step 2: Convert to fraction form
    652.63/979.08 = 214/x
  3. Step 3: Cross multiply
    652.63x = 979.08 × 214
  4. Step 4: Simplify right side
    652.63x = 209,523.12
  5. Step 5: Solve for x
    x = 209,523.12/652.63
  6. Step 6: Final answer
    x = 321.04

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