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Finding the Fourth Proportional to 427.16, 588.88 and 352.52

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Solution

The fourth proportional to 427.16, 588.88 and 352.52 is: 485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    427.16 : 588.88 = 352.52 : x
  2. Step 2: Convert to fraction form
    427.16/588.88 = 352.52/x
  3. Step 3: Cross multiply
    427.16x = 588.88 × 352.52
  4. Step 4: Simplify right side
    427.16x = 207,591.98
  5. Step 5: Solve for x
    x = 207,591.98/427.16
  6. Step 6: Final answer
    x = 485.98

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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.