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Finding the Fourth Proportional to 364.06, 545.96 and 117.25

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Solution

The fourth proportional to 364.06, 545.96 and 117.25 is: 175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.06 : 545.96 = 117.25 : x
  2. Step 2: Convert to fraction form
    364.06/545.96 = 117.25/x
  3. Step 3: Cross multiply
    364.06x = 545.96 × 117.25
  4. Step 4: Simplify right side
    364.06x = 64,015.01
  5. Step 5: Solve for x
    x = 64,015.01/364.06
  6. Step 6: Final answer
    x = 175.84

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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.