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Finding the Fourth Proportional to 401.36, 599.12 and 352.76

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Solution

The fourth proportional to 401.36, 599.12 and 352.76 is: 526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    401.36 : 599.12 = 352.76 : x
  2. Step 2: Convert to fraction form
    401.36/599.12 = 352.76/x
  3. Step 3: Cross multiply
    401.36x = 599.12 × 352.76
  4. Step 4: Simplify right side
    401.36x = 211,345.57
  5. Step 5: Solve for x
    x = 211,345.57/401.36
  6. Step 6: Final answer
    x = 526.57

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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.