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Finding the Fourth Proportional to 632.27, 948.31 and 358.22

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Solution

The fourth proportional to 632.27, 948.31 and 358.22 is: 537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.27 : 948.31 = 358.22 : x
  2. Step 2: Convert to fraction form
    632.27/948.31 = 358.22/x
  3. Step 3: Cross multiply
    632.27x = 948.31 × 358.22
  4. Step 4: Simplify right side
    632.27x = 339,705.08
  5. Step 5: Solve for x
    x = 339,705.08/632.27
  6. Step 6: Final answer
    x = 537.28

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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.