Home / 1,330.10-1,994.96-356.27

Finding the Fourth Proportional to 1,330.10, 1,994.96 and 356.27

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Solution

The fourth proportional to 1,330.10, 1,994.96 and 356.27 is: 534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330.10 : 1,994.96 = 356.27 : x
  2. Step 2: Convert to fraction form
    1,330.10/1,994.96 = 356.27/x
  3. Step 3: Cross multiply
    1,330.10x = 1,994.96 × 356.27
  4. Step 4: Simplify right side
    1,330.10x = 710,735.32
  5. Step 5: Solve for x
    x = 710,735.32/1,330.10
  6. Step 6: Final answer
    x = 534.35

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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.