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Finding the Fourth Proportional to 352.15, 525.71 and 306.03

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Solution

The fourth proportional to 352.15, 525.71 and 306.03 is: 456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.15 : 525.71 = 306.03 : x
  2. Step 2: Convert to fraction form
    352.15/525.71 = 306.03/x
  3. Step 3: Cross multiply
    352.15x = 525.71 × 306.03
  4. Step 4: Simplify right side
    352.15x = 160,883.03
  5. Step 5: Solve for x
    x = 160,883.03/352.15
  6. Step 6: Final answer
    x = 456.86

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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.