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Finding the Fourth Proportional to 942.41, 1,414.10 and 614.00

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Solution

The fourth proportional to 942.41, 1,414.10 and 614.00 is: 921.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    942.41 : 1,414.10 = 614.00 : x
  2. Step 2: Convert to fraction form
    942.41/1,414.10 = 614.00/x
  3. Step 3: Cross multiply
    942.41x = 1,414.10 × 614.00
  4. Step 4: Simplify right side
    942.41x = 868,247.26
  5. Step 5: Solve for x
    x = 868,247.26/942.41
  6. Step 6: Final answer
    x = 921.31

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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.