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Finding the Fourth Proportional to 632.01, 947.31 and 477.44

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Solution

The fourth proportional to 632.01, 947.31 and 477.44 is: 715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.01 : 947.31 = 477.44 : x
  2. Step 2: Convert to fraction form
    632.01/947.31 = 477.44/x
  3. Step 3: Cross multiply
    632.01x = 947.31 × 477.44
  4. Step 4: Simplify right side
    632.01x = 452,283.69
  5. Step 5: Solve for x
    x = 452,283.69/632.01
  6. Step 6: Final answer
    x = 715.63

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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.