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Finding the Fourth Proportional to 884.34, 1,325.35 and 494.33

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Solution

The fourth proportional to 884.34, 1,325.35 and 494.33 is: 740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.34 : 1,325.35 = 494.33 : x
  2. Step 2: Convert to fraction form
    884.34/1,325.35 = 494.33/x
  3. Step 3: Cross multiply
    884.34x = 1,325.35 × 494.33
  4. Step 4: Simplify right side
    884.34x = 655,152.40
  5. Step 5: Solve for x
    x = 655,152.40/884.34
  6. Step 6: Final answer
    x = 740.84

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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.