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Finding the Fourth Proportional to 621.89, 932.00 and 236.93

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Solution

The fourth proportional to 621.89, 932.00 and 236.93 is: 355.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    621.89 : 932.00 = 236.93 : x
  2. Step 2: Convert to fraction form
    621.89/932.00 = 236.93/x
  3. Step 3: Cross multiply
    621.89x = 932.00 × 236.93
  4. Step 4: Simplify right side
    621.89x = 220,817.58
  5. Step 5: Solve for x
    x = 220,817.58/621.89
  6. Step 6: Final answer
    x = 355.07

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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.