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Finding the Fourth Proportional to 730.77, 1,096.28 and 243.93

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Solution

The fourth proportional to 730.77, 1,096.28 and 243.93 is: 365.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.77 : 1,096.28 = 243.93 : x
  2. Step 2: Convert to fraction form
    730.77/1,096.28 = 243.93/x
  3. Step 3: Cross multiply
    730.77x = 1,096.28 × 243.93
  4. Step 4: Simplify right side
    730.77x = 267,414.36
  5. Step 5: Solve for x
    x = 267,414.36/730.77
  6. Step 6: Final answer
    x = 365.94

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1.5x scale

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.