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Finding the Fourth Proportional to 1,068.50, 1,474.46 and 596.38

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Solution

The fourth proportional to 1,068.50, 1,474.46 and 596.38 is: 822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068.50 : 1,474.46 = 596.38 : x
  2. Step 2: Convert to fraction form
    1,068.50/1,474.46 = 596.38/x
  3. Step 3: Cross multiply
    1,068.50x = 1,474.46 × 596.38
  4. Step 4: Simplify right side
    1,068.50x = 879,338.45
  5. Step 5: Solve for x
    x = 879,338.45/1,068.50
  6. Step 6: Final answer
    x = 822.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.