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Finding the Fourth Proportional to 565.39, 849.62 and 291.69

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Solution

The fourth proportional to 565.39, 849.62 and 291.69 is: 438.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.39 : 849.62 = 291.69 : x
  2. Step 2: Convert to fraction form
    565.39/849.62 = 291.69/x
  3. Step 3: Cross multiply
    565.39x = 849.62 × 291.69
  4. Step 4: Simplify right side
    565.39x = 247,825.66
  5. Step 5: Solve for x
    x = 247,825.66/565.39
  6. Step 6: Final answer
    x = 438.33

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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.