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Finding the Fourth Proportional to 235.85, 353.16 and 162.95

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Solution

The fourth proportional to 235.85, 353.16 and 162.95 is: 244.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.85 : 353.16 = 162.95 : x
  2. Step 2: Convert to fraction form
    235.85/353.16 = 162.95/x
  3. Step 3: Cross multiply
    235.85x = 353.16 × 162.95
  4. Step 4: Simplify right side
    235.85x = 57,547.42
  5. Step 5: Solve for x
    x = 57,547.42/235.85
  6. Step 6: Final answer
    x = 244.00

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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.