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Finding the Fourth Proportional to 359.48, 539.52 and 237.88

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Solution

The fourth proportional to 359.48, 539.52 and 237.88 is: 357.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.48 : 539.52 = 237.88 : x
  2. Step 2: Convert to fraction form
    359.48/539.52 = 237.88/x
  3. Step 3: Cross multiply
    359.48x = 539.52 × 237.88
  4. Step 4: Simplify right side
    359.48x = 128,341.02
  5. Step 5: Solve for x
    x = 128,341.02/359.48
  6. Step 6: Final answer
    x = 357.02

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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.