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Finding the Fourth Proportional to 350.23, 526.79 and 307.03

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Solution

The fourth proportional to 350.23, 526.79 and 307.03 is: 461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.23 : 526.79 = 307.03 : x
  2. Step 2: Convert to fraction form
    350.23/526.79 = 307.03/x
  3. Step 3: Cross multiply
    350.23x = 526.79 × 307.03
  4. Step 4: Simplify right side
    350.23x = 161,738.80
  5. Step 5: Solve for x
    x = 161,738.80/350.23
  6. Step 6: Final answer
    x = 461.81

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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.