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Finding the Fourth Proportional to 350.76, 526.62 and 214.08

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Solution

The fourth proportional to 350.76, 526.62 and 214.08 is: 321.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.76 : 526.62 = 214.08 : x
  2. Step 2: Convert to fraction form
    350.76/526.62 = 214.08/x
  3. Step 3: Cross multiply
    350.76x = 526.62 × 214.08
  4. Step 4: Simplify right side
    350.76x = 112,738.81
  5. Step 5: Solve for x
    x = 112,738.81/350.76
  6. Step 6: Final answer
    x = 321.41

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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.