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Finding the Fourth Proportional to 568.08, 855.53 and 500.34

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Solution

The fourth proportional to 568.08, 855.53 and 500.34 is: 753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.08 : 855.53 = 500.34 : x
  2. Step 2: Convert to fraction form
    568.08/855.53 = 500.34/x
  3. Step 3: Cross multiply
    568.08x = 855.53 × 500.34
  4. Step 4: Simplify right side
    568.08x = 428,055.88
  5. Step 5: Solve for x
    x = 428,055.88/568.08
  6. Step 6: Final answer
    x = 753.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.