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Finding the Fourth Proportional to 370.16, 552.08 and 358.16

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Solution

The fourth proportional to 370.16, 552.08 and 358.16 is: 534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.16 : 552.08 = 358.16 : x
  2. Step 2: Convert to fraction form
    370.16/552.08 = 358.16/x
  3. Step 3: Cross multiply
    370.16x = 552.08 × 358.16
  4. Step 4: Simplify right side
    370.16x = 197,732.97
  5. Step 5: Solve for x
    x = 197,732.97/370.16
  6. Step 6: Final answer
    x = 534.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.