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Finding the Fourth Proportional to 567, 849.69 and 258.53

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Solution

The fourth proportional to 567, 849.69 and 258.53 is: 387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    567 : 849.69 = 258.53 : x
  2. Step 2: Convert to fraction form
    567/849.69 = 258.53/x
  3. Step 3: Cross multiply
    567x = 849.69 × 258.53
  4. Step 4: Simplify right side
    567x = 219,666.11
  5. Step 5: Solve for x
    x = 219,666.11/567
  6. Step 6: Final answer
    x = 387.42

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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.