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Finding the Fourth Proportional to 793.01, 1,189.52 and 245.18

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Solution

The fourth proportional to 793.01, 1,189.52 and 245.18 is: 367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.01 : 1,189.52 = 245.18 : x
  2. Step 2: Convert to fraction form
    793.01/1,189.52 = 245.18/x
  3. Step 3: Cross multiply
    793.01x = 1,189.52 × 245.18
  4. Step 4: Simplify right side
    793.01x = 291,639.34
  5. Step 5: Solve for x
    x = 291,639.34/793.01
  6. Step 6: Final answer
    x = 367.76

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Half scale
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Double scale
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Similar ratio
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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.