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Finding the Fourth Proportional to 264.02, 364.35 and 153.57

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Solution

The fourth proportional to 264.02, 364.35 and 153.57 is: 211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.02 : 364.35 = 153.57 : x
  2. Step 2: Convert to fraction form
    264.02/364.35 = 153.57/x
  3. Step 3: Cross multiply
    264.02x = 364.35 × 153.57
  4. Step 4: Simplify right side
    264.02x = 55,953.23
  5. Step 5: Solve for x
    x = 55,953.23/264.02
  6. Step 6: Final answer
    x = 211.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.