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Finding the Fourth Proportional to 357.58, 536.44 and 152.14

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Solution

The fourth proportional to 357.58, 536.44 and 152.14 is: 228.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.58 : 536.44 = 152.14 : x
  2. Step 2: Convert to fraction form
    357.58/536.44 = 152.14/x
  3. Step 3: Cross multiply
    357.58x = 536.44 × 152.14
  4. Step 4: Simplify right side
    357.58x = 81,613.98
  5. Step 5: Solve for x
    x = 81,613.98/357.58
  6. Step 6: Final answer
    x = 228.24

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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.