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Finding the Fourth Proportional to 566.72, 850.26 and 430.42

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Solution

The fourth proportional to 566.72, 850.26 and 430.42 is: 645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.72 : 850.26 = 430.42 : x
  2. Step 2: Convert to fraction form
    566.72/850.26 = 430.42/x
  3. Step 3: Cross multiply
    566.72x = 850.26 × 430.42
  4. Step 4: Simplify right side
    566.72x = 365,968.91
  5. Step 5: Solve for x
    x = 365,968.91/566.72
  6. Step 6: Final answer
    x = 645.77

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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.