Home / 1,337.15-2,005.44-363.02

Finding the Fourth Proportional to 1,337.15, 2,005.44 and 363.02

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Solution

The fourth proportional to 1,337.15, 2,005.44 and 363.02 is: 544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.15 : 2,005.44 = 363.02 : x
  2. Step 2: Convert to fraction form
    1,337.15/2,005.44 = 363.02/x
  3. Step 3: Cross multiply
    1,337.15x = 2,005.44 × 363.02
  4. Step 4: Simplify right side
    1,337.15x = 728,004.80
  5. Step 5: Solve for x
    x = 728,004.80/1,337.15
  6. Step 6: Final answer
    x = 544.45

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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.