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Finding the Fourth Proportional to 358.02, 537 and 152.46

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Solution

The fourth proportional to 358.02, 537 and 152.46 is: 228.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.02 : 537 = 152.46 : x
  2. Step 2: Convert to fraction form
    358.02/537 = 152.46/x
  3. Step 3: Cross multiply
    358.02x = 537 × 152.46
  4. Step 4: Simplify right side
    358.02x = 81,871.02
  5. Step 5: Solve for x
    x = 81,871.02/358.02
  6. Step 6: Final answer
    x = 228.68

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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.