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Finding the Fourth Proportional to 940.22, 1,410.33 and 237.43

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Solution

The fourth proportional to 940.22, 1,410.33 and 237.43 is: 356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    940.22 : 1,410.33 = 237.43 : x
  2. Step 2: Convert to fraction form
    940.22/1,410.33 = 237.43/x
  3. Step 3: Cross multiply
    940.22x = 1,410.33 × 237.43
  4. Step 4: Simplify right side
    940.22x = 334,851.34
  5. Step 5: Solve for x
    x = 334,851.34/940.22
  6. Step 6: Final answer
    x = 356.14

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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.