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Finding the Fourth Proportional to 568.84, 851.58 and 554.86

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Solution

The fourth proportional to 568.84, 851.58 and 554.86 is: 830.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.84 : 851.58 = 554.86 : x
  2. Step 2: Convert to fraction form
    568.84/851.58 = 554.86/x
  3. Step 3: Cross multiply
    568.84x = 851.58 × 554.86
  4. Step 4: Simplify right side
    568.84x = 472,507.68
  5. Step 5: Solve for x
    x = 472,507.68/568.84
  6. Step 6: Final answer
    x = 830.65

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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.