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Finding the Fourth Proportional to 624.76, 935.46 and 559.96

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Solution

The fourth proportional to 624.76, 935.46 and 559.96 is: 838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.76 : 935.46 = 559.96 : x
  2. Step 2: Convert to fraction form
    624.76/935.46 = 559.96/x
  3. Step 3: Cross multiply
    624.76x = 935.46 × 559.96
  4. Step 4: Simplify right side
    624.76x = 523,820.18
  5. Step 5: Solve for x
    x = 523,820.18/624.76
  6. Step 6: Final answer
    x = 838.43

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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.