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Finding the Fourth Proportional to 350.84, 526.80 and 243.11

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Solution

The fourth proportional to 350.84, 526.80 and 243.11 is: 365.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.84 : 526.80 = 243.11 : x
  2. Step 2: Convert to fraction form
    350.84/526.80 = 243.11/x
  3. Step 3: Cross multiply
    350.84x = 526.80 × 243.11
  4. Step 4: Simplify right side
    350.84x = 128,070.35
  5. Step 5: Solve for x
    x = 128,070.35/350.84
  6. Step 6: Final answer
    x = 365.04

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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.