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Finding the Fourth Proportional to 514.15, 771.12 and 240.37

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Solution

The fourth proportional to 514.15, 771.12 and 240.37 is: 360.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    514.15 : 771.12 = 240.37 : x
  2. Step 2: Convert to fraction form
    514.15/771.12 = 240.37/x
  3. Step 3: Cross multiply
    514.15x = 771.12 × 240.37
  4. Step 4: Simplify right side
    514.15x = 185,352.19
  5. Step 5: Solve for x
    x = 185,352.19/514.15
  6. Step 6: Final answer
    x = 360.50

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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.