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Finding the Fourth Proportional to 607.48, 906.41 and 545.92

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Solution

The fourth proportional to 607.48, 906.41 and 545.92 is: 814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.48 : 906.41 = 545.92 : x
  2. Step 2: Convert to fraction form
    607.48/906.41 = 545.92/x
  3. Step 3: Cross multiply
    607.48x = 906.41 × 545.92
  4. Step 4: Simplify right side
    607.48x = 494,827.35
  5. Step 5: Solve for x
    x = 494,827.35/607.48
  6. Step 6: Final answer
    x = 814.56

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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.