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Finding the Fourth Proportional to 565.44, 849.76 and 543.84

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Solution

The fourth proportional to 565.44, 849.76 and 543.84 is: 817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.44 : 849.76 = 543.84 : x
  2. Step 2: Convert to fraction form
    565.44/849.76 = 543.84/x
  3. Step 3: Cross multiply
    565.44x = 849.76 × 543.84
  4. Step 4: Simplify right side
    565.44x = 462,133.48
  5. Step 5: Solve for x
    x = 462,133.48/565.44
  6. Step 6: Final answer
    x = 817.30

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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.