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Finding the Fourth Proportional to 570.01, 854.22 and 454.82

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Solution

The fourth proportional to 570.01, 854.22 and 454.82 is: 681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.01 : 854.22 = 454.82 : x
  2. Step 2: Convert to fraction form
    570.01/854.22 = 454.82/x
  3. Step 3: Cross multiply
    570.01x = 854.22 × 454.82
  4. Step 4: Simplify right side
    570.01x = 388,512.50
  5. Step 5: Solve for x
    x = 388,512.50/570.01
  6. Step 6: Final answer
    x = 681.59

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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.