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Finding the Fourth Proportional to 1,106.22, 1,527.06 and 733.38

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Solution

The fourth proportional to 1,106.22, 1,527.06 and 733.38 is: 1,012.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106.22 : 1,527.06 = 733.38 : x
  2. Step 2: Convert to fraction form
    1,106.22/1,527.06 = 733.38/x
  3. Step 3: Cross multiply
    1,106.22x = 1,527.06 × 733.38
  4. Step 4: Simplify right side
    1,106.22x = 1,119,915.26
  5. Step 5: Solve for x
    x = 1,119,915.26/1,106.22
  6. Step 6: Final answer
    x = 1,012.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.