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Finding the Fourth Proportional to 568.34, 783.25 and 475.10

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Solution

The fourth proportional to 568.34, 783.25 and 475.10 is: 654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.34 : 783.25 = 475.10 : x
  2. Step 2: Convert to fraction form
    568.34/783.25 = 475.10/x
  3. Step 3: Cross multiply
    568.34x = 783.25 × 475.10
  4. Step 4: Simplify right side
    568.34x = 372,122.08
  5. Step 5: Solve for x
    x = 372,122.08/568.34
  6. Step 6: Final answer
    x = 654.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.