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Finding the Fourth Proportional to 364.10, 545.84 and 210.09

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Solution

The fourth proportional to 364.10, 545.84 and 210.09 is: 314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.10 : 545.84 = 210.09 : x
  2. Step 2: Convert to fraction form
    364.10/545.84 = 210.09/x
  3. Step 3: Cross multiply
    364.10x = 545.84 × 210.09
  4. Step 4: Simplify right side
    364.10x = 114,677.31
  5. Step 5: Solve for x
    x = 114,677.31/364.10
  6. Step 6: Final answer
    x = 314.97

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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.