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Finding the Fourth Proportional to 606.52, 905.03 and 545.23

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Solution

The fourth proportional to 606.52, 905.03 and 545.23 is: 813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.52 : 905.03 = 545.23 : x
  2. Step 2: Convert to fraction form
    606.52/905.03 = 545.23/x
  3. Step 3: Cross multiply
    606.52x = 905.03 × 545.23
  4. Step 4: Simplify right side
    606.52x = 493,449.51
  5. Step 5: Solve for x
    x = 493,449.51/606.52
  6. Step 6: Final answer
    x = 813.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.