Home / 1,088.00-1,631.57-394.46

Finding the Fourth Proportional to 1,088.00, 1,631.57 and 394.46

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Solution

The fourth proportional to 1,088.00, 1,631.57 and 394.46 is: 591.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.00 : 1,631.57 = 394.46 : x
  2. Step 2: Convert to fraction form
    1,088.00/1,631.57 = 394.46/x
  3. Step 3: Cross multiply
    1,088.00x = 1,631.57 × 394.46
  4. Step 4: Simplify right side
    1,088.00x = 643,579.96
  5. Step 5: Solve for x
    x = 643,579.96/1,088.00
  6. Step 6: Final answer
    x = 591.53

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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.