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Finding the Fourth Proportional to 880.10, 1,318.23 and 736.10

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Solution

The fourth proportional to 880.10, 1,318.23 and 736.10 is: 1,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    880.10 : 1,318.23 = 736.10 : x
  2. Step 2: Convert to fraction form
    880.10/1,318.23 = 736.10/x
  3. Step 3: Cross multiply
    880.10x = 1,318.23 × 736.10
  4. Step 4: Simplify right side
    880.10x = 970,349.10
  5. Step 5: Solve for x
    x = 970,349.10/880.10
  6. Step 6: Final answer
    x = 1,102.54

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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.