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Finding the Fourth Proportional to 541.87, 813.15 and 298.56

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Solution

The fourth proportional to 541.87, 813.15 and 298.56 is: 448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.87 : 813.15 = 298.56 : x
  2. Step 2: Convert to fraction form
    541.87/813.15 = 298.56/x
  3. Step 3: Cross multiply
    541.87x = 813.15 × 298.56
  4. Step 4: Simplify right side
    541.87x = 242,774.06
  5. Step 5: Solve for x
    x = 242,774.06/541.87
  6. Step 6: Final answer
    x = 448.03

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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.