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Finding the Fourth Proportional to 359.56, 535.03 and 358.34

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Solution

The fourth proportional to 359.56, 535.03 and 358.34 is: 533.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.56 : 535.03 = 358.34 : x
  2. Step 2: Convert to fraction form
    359.56/535.03 = 358.34/x
  3. Step 3: Cross multiply
    359.56x = 535.03 × 358.34
  4. Step 4: Simplify right side
    359.56x = 191,720.86
  5. Step 5: Solve for x
    x = 191,720.86/359.56
  6. Step 6: Final answer
    x = 533.22

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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.