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Finding the Fourth Proportional to 352.28, 525.34 and 349.04

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Solution

The fourth proportional to 352.28, 525.34 and 349.04 is: 520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.28 : 525.34 = 349.04 : x
  2. Step 2: Convert to fraction form
    352.28/525.34 = 349.04/x
  3. Step 3: Cross multiply
    352.28x = 525.34 × 349.04
  4. Step 4: Simplify right side
    352.28x = 183,364.67
  5. Step 5: Solve for x
    x = 183,364.67/352.28
  6. Step 6: Final answer
    x = 520.51

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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.