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Finding the Fourth Proportional to 350.32, 524.64 and 348.16

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Solution

The fourth proportional to 350.32, 524.64 and 348.16 is: 521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.32 : 524.64 = 348.16 : x
  2. Step 2: Convert to fraction form
    350.32/524.64 = 348.16/x
  3. Step 3: Cross multiply
    350.32x = 524.64 × 348.16
  4. Step 4: Simplify right side
    350.32x = 182,658.66
  5. Step 5: Solve for x
    x = 182,658.66/350.32
  6. Step 6: Final answer
    x = 521.41

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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.