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Finding the Fourth Proportional to 568.08, 854.28 and 477.36

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Solution

The fourth proportional to 568.08, 854.28 and 477.36 is: 717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.08 : 854.28 = 477.36 : x
  2. Step 2: Convert to fraction form
    568.08/854.28 = 477.36/x
  3. Step 3: Cross multiply
    568.08x = 854.28 × 477.36
  4. Step 4: Simplify right side
    568.08x = 407,799.10
  5. Step 5: Solve for x
    x = 407,799.10/568.08
  6. Step 6: Final answer
    x = 717.86

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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.