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Finding the Fourth Proportional to 589.78, 884.65 and 243.02

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Solution

The fourth proportional to 589.78, 884.65 and 243.02 is: 364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.78 : 884.65 = 243.02 : x
  2. Step 2: Convert to fraction form
    589.78/884.65 = 243.02/x
  3. Step 3: Cross multiply
    589.78x = 884.65 × 243.02
  4. Step 4: Simplify right side
    589.78x = 214,987.64
  5. Step 5: Solve for x
    x = 214,987.64/589.78
  6. Step 6: Final answer
    x = 364.52

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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.