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Finding the Fourth Proportional to 364.95, 545.01 and 324.63

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Solution

The fourth proportional to 364.95, 545.01 and 324.63 is: 484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.95 : 545.01 = 324.63 : x
  2. Step 2: Convert to fraction form
    364.95/545.01 = 324.63/x
  3. Step 3: Cross multiply
    364.95x = 545.01 × 324.63
  4. Step 4: Simplify right side
    364.95x = 176,924.28
  5. Step 5: Solve for x
    x = 176,924.28/364.95
  6. Step 6: Final answer
    x = 484.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.