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Finding the Fourth Proportional to 570.89, 858.04 and 474.03

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Solution

The fourth proportional to 570.89, 858.04 and 474.03 is: 712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.89 : 858.04 = 474.03 : x
  2. Step 2: Convert to fraction form
    570.89/858.04 = 474.03/x
  3. Step 3: Cross multiply
    570.89x = 858.04 × 474.03
  4. Step 4: Simplify right side
    570.89x = 406,735.52
  5. Step 5: Solve for x
    x = 406,735.52/570.89
  6. Step 6: Final answer
    x = 712.46

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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.