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Finding the Fourth Proportional to 230.68, 346.04 and 158.00

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Solution

The fourth proportional to 230.68, 346.04 and 158.00 is: 237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.68 : 346.04 = 158.00 : x
  2. Step 2: Convert to fraction form
    230.68/346.04 = 158.00/x
  3. Step 3: Cross multiply
    230.68x = 346.04 × 158.00
  4. Step 4: Simplify right side
    230.68x = 54,674.34
  5. Step 5: Solve for x
    x = 54,674.34/230.68
  6. Step 6: Final answer
    x = 237.01

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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.