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Finding the Fourth Proportional to 360.86, 539.16 and 357.62

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Solution

The fourth proportional to 360.86, 539.16 and 357.62 is: 534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.86 : 539.16 = 357.62 : x
  2. Step 2: Convert to fraction form
    360.86/539.16 = 357.62/x
  3. Step 3: Cross multiply
    360.86x = 539.16 × 357.62
  4. Step 4: Simplify right side
    360.86x = 192,810.36
  5. Step 5: Solve for x
    x = 192,810.36/360.86
  6. Step 6: Final answer
    x = 534.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.