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Finding the Fourth Proportional to 636.96, 953.05 and 376.00

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Solution

The fourth proportional to 636.96, 953.05 and 376.00 is: 562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    636.96 : 953.05 = 376.00 : x
  2. Step 2: Convert to fraction form
    636.96/953.05 = 376.00/x
  3. Step 3: Cross multiply
    636.96x = 953.05 × 376.00
  4. Step 4: Simplify right side
    636.96x = 358,352.47
  5. Step 5: Solve for x
    x = 358,352.47/636.96
  6. Step 6: Final answer
    x = 562.59

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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.