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Finding the Fourth Proportional to 626.34, 934.89 and 534.36

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Solution

The fourth proportional to 626.34, 934.89 and 534.36 is: 797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.34 : 934.89 = 534.36 : x
  2. Step 2: Convert to fraction form
    626.34/934.89 = 534.36/x
  3. Step 3: Cross multiply
    626.34x = 934.89 × 534.36
  4. Step 4: Simplify right side
    626.34x = 499,567.82
  5. Step 5: Solve for x
    x = 499,567.82/626.34
  6. Step 6: Final answer
    x = 797.60

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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.