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Finding the Fourth Proportional to 632.27, 946.49 and 570.31

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Solution

The fourth proportional to 632.27, 946.49 and 570.31 is: 853.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.27 : 946.49 = 570.31 : x
  2. Step 2: Convert to fraction form
    632.27/946.49 = 570.31/x
  3. Step 3: Cross multiply
    632.27x = 946.49 × 570.31
  4. Step 4: Simplify right side
    632.27x = 539,787.49
  5. Step 5: Solve for x
    x = 539,787.49/632.27
  6. Step 6: Final answer
    x = 853.73

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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.