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Finding the Fourth Proportional to 635.58, 954.44 and 555.12

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Solution

The fourth proportional to 635.58, 954.44 and 555.12 is: 833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.58 : 954.44 = 555.12 : x
  2. Step 2: Convert to fraction form
    635.58/954.44 = 555.12/x
  3. Step 3: Cross multiply
    635.58x = 954.44 × 555.12
  4. Step 4: Simplify right side
    635.58x = 529,828.73
  5. Step 5: Solve for x
    x = 529,828.73/635.58
  6. Step 6: Final answer
    x = 833.61

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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.