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Finding the Fourth Proportional to 568.84, 852 and 459.48

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Solution

The fourth proportional to 568.84, 852 and 459.48 is: 688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.84 : 852 = 459.48 : x
  2. Step 2: Convert to fraction form
    568.84/852 = 459.48/x
  3. Step 3: Cross multiply
    568.84x = 852 × 459.48
  4. Step 4: Simplify right side
    568.84x = 391,476.96
  5. Step 5: Solve for x
    x = 391,476.96/568.84
  6. Step 6: Final answer
    x = 688.20

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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.