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Finding the Fourth Proportional to 636.64, 950.07 and 632.99

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Solution

The fourth proportional to 636.64, 950.07 and 632.99 is: 944.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    636.64 : 950.07 = 632.99 : x
  2. Step 2: Convert to fraction form
    636.64/950.07 = 632.99/x
  3. Step 3: Cross multiply
    636.64x = 950.07 × 632.99
  4. Step 4: Simplify right side
    636.64x = 601,384.81
  5. Step 5: Solve for x
    x = 601,384.81/636.64
  6. Step 6: Final answer
    x = 944.62

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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.