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Finding the Fourth Proportional to 349.69, 525.54 and 346.03

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Solution

The fourth proportional to 349.69, 525.54 and 346.03 is: 520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.69 : 525.54 = 346.03 : x
  2. Step 2: Convert to fraction form
    349.69/525.54 = 346.03/x
  3. Step 3: Cross multiply
    349.69x = 525.54 × 346.03
  4. Step 4: Simplify right side
    349.69x = 181,852.61
  5. Step 5: Solve for x
    x = 181,852.61/349.69
  6. Step 6: Final answer
    x = 520.04

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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.