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Finding the Fourth Proportional to 359.01, 536.24 and 318.69

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Solution

The fourth proportional to 359.01, 536.24 and 318.69 is: 476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.01 : 536.24 = 318.69 : x
  2. Step 2: Convert to fraction form
    359.01/536.24 = 318.69/x
  3. Step 3: Cross multiply
    359.01x = 536.24 × 318.69
  4. Step 4: Simplify right side
    359.01x = 170,895.12
  5. Step 5: Solve for x
    x = 170,895.12/359.01
  6. Step 6: Final answer
    x = 476.02

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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.