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Finding the Fourth Proportional to 592.68, 889.02 and 545.70

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Solution

The fourth proportional to 592.68, 889.02 and 545.70 is: 818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.68 : 889.02 = 545.70 : x
  2. Step 2: Convert to fraction form
    592.68/889.02 = 545.70/x
  3. Step 3: Cross multiply
    592.68x = 889.02 × 545.70
  4. Step 4: Simplify right side
    592.68x = 485,138.21
  5. Step 5: Solve for x
    x = 485,138.21/592.68
  6. Step 6: Final answer
    x = 818.55

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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.