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Finding the Fourth Proportional to 545.36, 753.08 and 452.44

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Solution

The fourth proportional to 545.36, 753.08 and 452.44 is: 624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.36 : 753.08 = 452.44 : x
  2. Step 2: Convert to fraction form
    545.36/753.08 = 452.44/x
  3. Step 3: Cross multiply
    545.36x = 753.08 × 452.44
  4. Step 4: Simplify right side
    545.36x = 340,723.52
  5. Step 5: Solve for x
    x = 340,723.52/545.36
  6. Step 6: Final answer
    x = 624.77

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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.