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Finding the Fourth Proportional to 361.95, 501.65 and 325.50

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Solution

The fourth proportional to 361.95, 501.65 and 325.50 is: 451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.95 : 501.65 = 325.50 : x
  2. Step 2: Convert to fraction form
    361.95/501.65 = 325.50/x
  3. Step 3: Cross multiply
    361.95x = 501.65 × 325.50
  4. Step 4: Simplify right side
    361.95x = 163,285.45
  5. Step 5: Solve for x
    x = 163,285.45/361.95
  6. Step 6: Final answer
    x = 451.13

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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.