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Finding the Fourth Proportional to 361.17, 501.35 and 352.53

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Solution

The fourth proportional to 361.17, 501.35 and 352.53 is: 489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.17 : 501.35 = 352.53 : x
  2. Step 2: Convert to fraction form
    361.17/501.35 = 352.53/x
  3. Step 3: Cross multiply
    361.17x = 501.35 × 352.53
  4. Step 4: Simplify right side
    361.17x = 176,739.15
  5. Step 5: Solve for x
    x = 176,739.15/361.17
  6. Step 6: Final answer
    x = 489.35

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.