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Finding the Fourth Proportional to 630.75, 946.37 and 246.03

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Solution

The fourth proportional to 630.75, 946.37 and 246.03 is: 369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.75 : 946.37 = 246.03 : x
  2. Step 2: Convert to fraction form
    630.75/946.37 = 246.03/x
  3. Step 3: Cross multiply
    630.75x = 946.37 × 246.03
  4. Step 4: Simplify right side
    630.75x = 232,834.18
  5. Step 5: Solve for x
    x = 232,834.18/630.75
  6. Step 6: Final answer
    x = 369.14

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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.