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Finding the Fourth Proportional to 983.50, 1,475.26 and 367.04

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Solution

The fourth proportional to 983.50, 1,475.26 and 367.04 is: 550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    983.50 : 1,475.26 = 367.04 : x
  2. Step 2: Convert to fraction form
    983.50/1,475.26 = 367.04/x
  3. Step 3: Cross multiply
    983.50x = 1,475.26 × 367.04
  4. Step 4: Simplify right side
    983.50x = 541,482.20
  5. Step 5: Solve for x
    x = 541,482.20/983.50
  6. Step 6: Final answer
    x = 550.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.