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Finding the Fourth Proportional to 545.34, 818.06 and 302.04

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Solution

The fourth proportional to 545.34, 818.06 and 302.04 is: 453.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.34 : 818.06 = 302.04 : x
  2. Step 2: Convert to fraction form
    545.34/818.06 = 302.04/x
  3. Step 3: Cross multiply
    545.34x = 818.06 × 302.04
  4. Step 4: Simplify right side
    545.34x = 247,086.84
  5. Step 5: Solve for x
    x = 247,086.84/545.34
  6. Step 6: Final answer
    x = 453.09

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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.