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Finding the Fourth Proportional to 884.79, 1,327.01 and 495.18

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Solution

The fourth proportional to 884.79, 1,327.01 and 495.18 is: 742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.79 : 1,327.01 = 495.18 : x
  2. Step 2: Convert to fraction form
    884.79/1,327.01 = 495.18/x
  3. Step 3: Cross multiply
    884.79x = 1,327.01 × 495.18
  4. Step 4: Simplify right side
    884.79x = 657,106.34
  5. Step 5: Solve for x
    x = 657,106.34/884.79
  6. Step 6: Final answer
    x = 742.67

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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.