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Finding the Fourth Proportional to 623.99, 934.43 and 363.30

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Solution

The fourth proportional to 623.99, 934.43 and 363.30 is: 544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.99 : 934.43 = 363.30 : x
  2. Step 2: Convert to fraction form
    623.99/934.43 = 363.30/x
  3. Step 3: Cross multiply
    623.99x = 934.43 × 363.30
  4. Step 4: Simplify right side
    623.99x = 339,476.60
  5. Step 5: Solve for x
    x = 339,476.60/623.99
  6. Step 6: Final answer
    x = 544.05

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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.