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Finding the Fourth Proportional to 473.01, 707.95 and 289.54

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Solution

The fourth proportional to 473.01, 707.95 and 289.54 is: 433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.01 : 707.95 = 289.54 : x
  2. Step 2: Convert to fraction form
    473.01/707.95 = 289.54/x
  3. Step 3: Cross multiply
    473.01x = 707.95 × 289.54
  4. Step 4: Simplify right side
    473.01x = 204,979.84
  5. Step 5: Solve for x
    x = 204,979.84/473.01
  6. Step 6: Final answer
    x = 433.35

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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.