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Finding the Fourth Proportional to 352.66, 525.08 and 351.58

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Solution

The fourth proportional to 352.66, 525.08 and 351.58 is: 523.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.66 : 525.08 = 351.58 : x
  2. Step 2: Convert to fraction form
    352.66/525.08 = 351.58/x
  3. Step 3: Cross multiply
    352.66x = 525.08 × 351.58
  4. Step 4: Simplify right side
    352.66x = 184,607.63
  5. Step 5: Solve for x
    x = 184,607.63/352.66
  6. Step 6: Final answer
    x = 523.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.