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Finding the Fourth Proportional to 237.42, 355.98 and 146.16

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Solution

The fourth proportional to 237.42, 355.98 and 146.16 is: 219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.42 : 355.98 = 146.16 : x
  2. Step 2: Convert to fraction form
    237.42/355.98 = 146.16/x
  3. Step 3: Cross multiply
    237.42x = 355.98 × 146.16
  4. Step 4: Simplify right side
    237.42x = 52,030.04
  5. Step 5: Solve for x
    x = 52,030.04/237.42
  6. Step 6: Final answer
    x = 219.15

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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.