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Finding the Fourth Proportional to 566.24, 849.40 and 155.39

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Solution

The fourth proportional to 566.24, 849.40 and 155.39 is: 233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.24 : 849.40 = 155.39 : x
  2. Step 2: Convert to fraction form
    566.24/849.40 = 155.39/x
  3. Step 3: Cross multiply
    566.24x = 849.40 × 155.39
  4. Step 4: Simplify right side
    566.24x = 131,984.02
  5. Step 5: Solve for x
    x = 131,984.02/566.24
  6. Step 6: Final answer
    x = 233.09

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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.