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Finding the Fourth Proportional to 589.64, 884.15 and 242.90

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Solution

The fourth proportional to 589.64, 884.15 and 242.90 is: 364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.64 : 884.15 = 242.90 : x
  2. Step 2: Convert to fraction form
    589.64/884.15 = 242.90/x
  3. Step 3: Cross multiply
    589.64x = 884.15 × 242.90
  4. Step 4: Simplify right side
    589.64x = 214,763.05
  5. Step 5: Solve for x
    x = 214,763.05/589.64
  6. Step 6: Final answer
    x = 364.23

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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.