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Finding the Fourth Proportional to 264.02, 395.55 and 148.34

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Solution

The fourth proportional to 264.02, 395.55 and 148.34 is: 222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.02 : 395.55 = 148.34 : x
  2. Step 2: Convert to fraction form
    264.02/395.55 = 148.34/x
  3. Step 3: Cross multiply
    264.02x = 395.55 × 148.34
  4. Step 4: Simplify right side
    264.02x = 58,675.89
  5. Step 5: Solve for x
    x = 58,675.89/264.02
  6. Step 6: Final answer
    x = 222.24

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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.