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Finding the Fourth Proportional to 706.71, 1,059.48 and 474.89

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Solution

The fourth proportional to 706.71, 1,059.48 and 474.89 is: 711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.71 : 1,059.48 = 474.89 : x
  2. Step 2: Convert to fraction form
    706.71/1,059.48 = 474.89/x
  3. Step 3: Cross multiply
    706.71x = 1,059.48 × 474.89
  4. Step 4: Simplify right side
    706.71x = 503,136.46
  5. Step 5: Solve for x
    x = 503,136.46/706.71
  6. Step 6: Final answer
    x = 711.94

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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.