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Finding the Fourth Proportional to 624.34, 934.44 and 521.82

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Solution

The fourth proportional to 624.34, 934.44 and 521.82 is: 781.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.34 : 934.44 = 521.82 : x
  2. Step 2: Convert to fraction form
    624.34/934.44 = 521.82/x
  3. Step 3: Cross multiply
    624.34x = 934.44 × 521.82
  4. Step 4: Simplify right side
    624.34x = 487,609.48
  5. Step 5: Solve for x
    x = 487,609.48/624.34
  6. Step 6: Final answer
    x = 781.00

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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.