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Finding the Fourth Proportional to 569.66, 855.30 and 352.58

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Solution

The fourth proportional to 569.66, 855.30 and 352.58 is: 529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.66 : 855.30 = 352.58 : x
  2. Step 2: Convert to fraction form
    569.66/855.30 = 352.58/x
  3. Step 3: Cross multiply
    569.66x = 855.30 × 352.58
  4. Step 4: Simplify right side
    569.66x = 301,561.67
  5. Step 5: Solve for x
    x = 301,561.67/569.66
  6. Step 6: Final answer
    x = 529.37

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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.