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Finding the Fourth Proportional to 1,230.64, 1,846.02 and 365.02

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Solution

The fourth proportional to 1,230.64, 1,846.02 and 365.02 is: 547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230.64 : 1,846.02 = 365.02 : x
  2. Step 2: Convert to fraction form
    1,230.64/1,846.02 = 365.02/x
  3. Step 3: Cross multiply
    1,230.64x = 1,846.02 × 365.02
  4. Step 4: Simplify right side
    1,230.64x = 673,834.22
  5. Step 5: Solve for x
    x = 673,834.22/1,230.64
  6. Step 6: Final answer
    x = 547.55

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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.