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Finding the Fourth Proportional to 914.51, 1,372.41 and 366.83

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Solution

The fourth proportional to 914.51, 1,372.41 and 366.83 is: 550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    914.51 : 1,372.41 = 366.83 : x
  2. Step 2: Convert to fraction form
    914.51/1,372.41 = 366.83/x
  3. Step 3: Cross multiply
    914.51x = 1,372.41 × 366.83
  4. Step 4: Simplify right side
    914.51x = 503,441.16
  5. Step 5: Solve for x
    x = 503,441.16/914.51
  6. Step 6: Final answer
    x = 550.50

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Double scale
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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.