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Finding the Fourth Proportional to 590.53, 886.17 and 545.44

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Solution

The fourth proportional to 590.53, 886.17 and 545.44 is: 818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.53 : 886.17 = 545.44 : x
  2. Step 2: Convert to fraction form
    590.53/886.17 = 545.44/x
  3. Step 3: Cross multiply
    590.53x = 886.17 × 545.44
  4. Step 4: Simplify right side
    590.53x = 483,352.56
  5. Step 5: Solve for x
    x = 483,352.56/590.53
  6. Step 6: Final answer
    x = 818.51

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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.