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Finding the Fourth Proportional to 589.89, 884.40 and 243.12

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Solution

The fourth proportional to 589.89, 884.40 and 243.12 is: 364.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.89 : 884.40 = 243.12 : x
  2. Step 2: Convert to fraction form
    589.89/884.40 = 243.12/x
  3. Step 3: Cross multiply
    589.89x = 884.40 × 243.12
  4. Step 4: Simplify right side
    589.89x = 215,015.33
  5. Step 5: Solve for x
    x = 215,015.33/589.89
  6. Step 6: Final answer
    x = 364.50

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Similar ratio
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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.