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Finding the Fourth Proportional to 545.05, 752.60 and 335.33

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Solution

The fourth proportional to 545.05, 752.60 and 335.33 is: 463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.05 : 752.60 = 335.33 : x
  2. Step 2: Convert to fraction form
    545.05/752.60 = 335.33/x
  3. Step 3: Cross multiply
    545.05x = 752.60 × 335.33
  4. Step 4: Simplify right side
    545.05x = 252,363.92
  5. Step 5: Solve for x
    x = 252,363.92/545.05
  6. Step 6: Final answer
    x = 463.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.