Home / 1,177.49-1,766.30-355.85

Finding the Fourth Proportional to 1,177.49, 1,766.30 and 355.85

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Solution

The fourth proportional to 1,177.49, 1,766.30 and 355.85 is: 533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.49 : 1,766.30 = 355.85 : x
  2. Step 2: Convert to fraction form
    1,177.49/1,766.30 = 355.85/x
  3. Step 3: Cross multiply
    1,177.49x = 1,766.30 × 355.85
  4. Step 4: Simplify right side
    1,177.49x = 628,529.02
  5. Step 5: Solve for x
    x = 628,529.02/1,177.49
  6. Step 6: Final answer
    x = 533.79

Related Problems

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Half scale
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Double scale
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1.5x scale

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.