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Finding the Fourth Proportional to 473.68, 709.32 and 375.70

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Solution

The fourth proportional to 473.68, 709.32 and 375.70 is: 562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.68 : 709.32 = 375.70 : x
  2. Step 2: Convert to fraction form
    473.68/709.32 = 375.70/x
  3. Step 3: Cross multiply
    473.68x = 709.32 × 375.70
  4. Step 4: Simplify right side
    473.68x = 266,491.52
  5. Step 5: Solve for x
    x = 266,491.52/473.68
  6. Step 6: Final answer
    x = 562.60

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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.