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Finding the Fourth Proportional to 357.01, 533.89 and 319.04

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Solution

The fourth proportional to 357.01, 533.89 and 319.04 is: 477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.01 : 533.89 = 319.04 : x
  2. Step 2: Convert to fraction form
    357.01/533.89 = 319.04/x
  3. Step 3: Cross multiply
    357.01x = 533.89 × 319.04
  4. Step 4: Simplify right side
    357.01x = 170,332.00
  5. Step 5: Solve for x
    x = 170,332.00/357.01
  6. Step 6: Final answer
    x = 477.11

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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.