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Finding the Fourth Proportional to 545.60, 819.05 and 373.01

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Solution

The fourth proportional to 545.60, 819.05 and 373.01 is: 559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.60 : 819.05 = 373.01 : x
  2. Step 2: Convert to fraction form
    545.60/819.05 = 373.01/x
  3. Step 3: Cross multiply
    545.60x = 819.05 × 373.01
  4. Step 4: Simplify right side
    545.60x = 305,507.88
  5. Step 5: Solve for x
    x = 305,507.88/545.60
  6. Step 6: Final answer
    x = 559.95

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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.