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Finding the Fourth Proportional to 359.10, 540.74 and 348.33

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Solution

The fourth proportional to 359.10, 540.74 and 348.33 is: 524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.10 : 540.74 = 348.33 : x
  2. Step 2: Convert to fraction form
    359.10/540.74 = 348.33/x
  3. Step 3: Cross multiply
    359.10x = 540.74 × 348.33
  4. Step 4: Simplify right side
    359.10x = 188,358.86
  5. Step 5: Solve for x
    x = 188,358.86/359.10
  6. Step 6: Final answer
    x = 524.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.