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Finding the Fourth Proportional to 703.35, 1,055.02 and 190.35

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Solution

The fourth proportional to 703.35, 1,055.02 and 190.35 is: 285.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.35 : 1,055.02 = 190.35 : x
  2. Step 2: Convert to fraction form
    703.35/1,055.02 = 190.35/x
  3. Step 3: Cross multiply
    703.35x = 1,055.02 × 190.35
  4. Step 4: Simplify right side
    703.35x = 200,816.83
  5. Step 5: Solve for x
    x = 200,816.83/703.35
  6. Step 6: Final answer
    x = 285.52

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Double scale
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Similar ratio
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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.