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Finding the Fourth Proportional to 350.15, 525.23 and 272.93

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Solution

The fourth proportional to 350.15, 525.23 and 272.93 is: 409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.15 : 525.23 = 272.93 : x
  2. Step 2: Convert to fraction form
    350.15/525.23 = 272.93/x
  3. Step 3: Cross multiply
    350.15x = 525.23 × 272.93
  4. Step 4: Simplify right side
    350.15x = 143,351.02
  5. Step 5: Solve for x
    x = 143,351.02/350.15
  6. Step 6: Final answer
    x = 409.40

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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.