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Finding the Fourth Proportional to 364.89, 545.96 and 210.89

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Solution

The fourth proportional to 364.89, 545.96 and 210.89 is: 315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.89 : 545.96 = 210.89 : x
  2. Step 2: Convert to fraction form
    364.89/545.96 = 210.89/x
  3. Step 3: Cross multiply
    364.89x = 545.96 × 210.89
  4. Step 4: Simplify right side
    364.89x = 115,133.72
  5. Step 5: Solve for x
    x = 115,133.72/364.89
  6. Step 6: Final answer
    x = 315.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.