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Finding the Fourth Proportional to 364.50, 547.00 and 148.08

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Solution

The fourth proportional to 364.50, 547.00 and 148.08 is: 222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.50 : 547.00 = 148.08 : x
  2. Step 2: Convert to fraction form
    364.50/547.00 = 148.08/x
  3. Step 3: Cross multiply
    364.50x = 547.00 × 148.08
  4. Step 4: Simplify right side
    364.50x = 80,999.20
  5. Step 5: Solve for x
    x = 80,999.20/364.50
  6. Step 6: Final answer
    x = 222.22

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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.