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Finding the Fourth Proportional to 358.16, 536.90 and 175.69

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Solution

The fourth proportional to 358.16, 536.90 and 175.69 is: 263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.16 : 536.90 = 175.69 : x
  2. Step 2: Convert to fraction form
    358.16/536.90 = 175.69/x
  3. Step 3: Cross multiply
    358.16x = 536.90 × 175.69
  4. Step 4: Simplify right side
    358.16x = 94,326.22
  5. Step 5: Solve for x
    x = 94,326.22/358.16
  6. Step 6: Final answer
    x = 263.36

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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.