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Finding the Fourth Proportional to 1,062.64, 1,594.37 and 369.38

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Solution

The fourth proportional to 1,062.64, 1,594.37 and 369.38 is: 554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.64 : 1,594.37 = 369.38 : x
  2. Step 2: Convert to fraction form
    1,062.64/1,594.37 = 369.38/x
  3. Step 3: Cross multiply
    1,062.64x = 1,594.37 × 369.38
  4. Step 4: Simplify right side
    1,062.64x = 588,928.39
  5. Step 5: Solve for x
    x = 588,928.39/1,062.64
  6. Step 6: Final answer
    x = 554.21

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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.