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Finding the Fourth Proportional to 352.84, 531.24 and 245.32

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Solution

The fourth proportional to 352.84, 531.24 and 245.32 is: 369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.84 : 531.24 = 245.32 : x
  2. Step 2: Convert to fraction form
    352.84/531.24 = 245.32/x
  3. Step 3: Cross multiply
    352.84x = 531.24 × 245.32
  4. Step 4: Simplify right side
    352.84x = 130,323.80
  5. Step 5: Solve for x
    x = 130,323.80/352.84
  6. Step 6: Final answer
    x = 369.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.