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Finding the Fourth Proportional to 435.32, 599.34 and 352.70

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Solution

The fourth proportional to 435.32, 599.34 and 352.70 is: 485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.32 : 599.34 = 352.70 : x
  2. Step 2: Convert to fraction form
    435.32/599.34 = 352.70/x
  3. Step 3: Cross multiply
    435.32x = 599.34 × 352.70
  4. Step 4: Simplify right side
    435.32x = 211,388.72
  5. Step 5: Solve for x
    x = 211,388.72/435.32
  6. Step 6: Final answer
    x = 485.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.