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Finding the Fourth Proportional to 401.35, 600.47 and 352.21

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Solution

The fourth proportional to 401.35, 600.47 and 352.21 is: 526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    401.35 : 600.47 = 352.21 : x
  2. Step 2: Convert to fraction form
    401.35/600.47 = 352.21/x
  3. Step 3: Cross multiply
    401.35x = 600.47 × 352.21
  4. Step 4: Simplify right side
    401.35x = 211,486.78
  5. Step 5: Solve for x
    x = 211,486.78/401.35
  6. Step 6: Final answer
    x = 526.95

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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.