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Finding the Fourth Proportional to 626.12, 934.61 and 544.11

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Solution

The fourth proportional to 626.12, 934.61 and 544.11 is: 812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.12 : 934.61 = 544.11 : x
  2. Step 2: Convert to fraction form
    626.12/934.61 = 544.11/x
  3. Step 3: Cross multiply
    626.12x = 934.61 × 544.11
  4. Step 4: Simplify right side
    626.12x = 508,530.65
  5. Step 5: Solve for x
    x = 508,530.65/626.12
  6. Step 6: Final answer
    x = 812.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.