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Finding the Fourth Proportional to 570.16, 843.61 and 568.54

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Solution

The fourth proportional to 570.16, 843.61 and 568.54 is: 841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.16 : 843.61 = 568.54 : x
  2. Step 2: Convert to fraction form
    570.16/843.61 = 568.54/x
  3. Step 3: Cross multiply
    570.16x = 843.61 × 568.54
  4. Step 4: Simplify right side
    570.16x = 479,626.03
  5. Step 5: Solve for x
    x = 479,626.03/570.16
  6. Step 6: Final answer
    x = 841.21

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.