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Finding the Fourth Proportional to 632.94, 946.90 and 479.31

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Solution

The fourth proportional to 632.94, 946.90 and 479.31 is: 717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.94 : 946.90 = 479.31 : x
  2. Step 2: Convert to fraction form
    632.94/946.90 = 479.31/x
  3. Step 3: Cross multiply
    632.94x = 946.90 × 479.31
  4. Step 4: Simplify right side
    632.94x = 453,858.64
  5. Step 5: Solve for x
    x = 453,858.64/632.94
  6. Step 6: Final answer
    x = 717.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.