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Finding the Fourth Proportional to 568.39, 852.46 and 414.40

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Solution

The fourth proportional to 568.39, 852.46 and 414.40 is: 621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.39 : 852.46 = 414.40 : x
  2. Step 2: Convert to fraction form
    568.39/852.46 = 414.40/x
  3. Step 3: Cross multiply
    568.39x = 852.46 × 414.40
  4. Step 4: Simplify right side
    568.39x = 353,259.42
  5. Step 5: Solve for x
    x = 353,259.42/568.39
  6. Step 6: Final answer
    x = 621.51

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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.