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Finding the Fourth Proportional to 703.80, 1,055.60 and 183.83

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Solution

The fourth proportional to 703.80, 1,055.60 and 183.83 is: 275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.80 : 1,055.60 = 183.83 : x
  2. Step 2: Convert to fraction form
    703.80/1,055.60 = 183.83/x
  3. Step 3: Cross multiply
    703.80x = 1,055.60 × 183.83
  4. Step 4: Simplify right side
    703.80x = 194,053.13
  5. Step 5: Solve for x
    x = 194,053.13/703.80
  6. Step 6: Final answer
    x = 275.72

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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.