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Finding the Fourth Proportional to 570.45, 855.93 and 241.47

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Solution

The fourth proportional to 570.45, 855.93 and 241.47 is: 362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.45 : 855.93 = 241.47 : x
  2. Step 2: Convert to fraction form
    570.45/855.93 = 241.47/x
  3. Step 3: Cross multiply
    570.45x = 855.93 × 241.47
  4. Step 4: Simplify right side
    570.45x = 206,681.42
  5. Step 5: Solve for x
    x = 206,681.42/570.45
  6. Step 6: Final answer
    x = 362.31

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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.