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Finding the Fourth Proportional to 446.76, 666.21 and 375.08

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Solution

The fourth proportional to 446.76, 666.21 and 375.08 is: 559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.76 : 666.21 = 375.08 : x
  2. Step 2: Convert to fraction form
    446.76/666.21 = 375.08/x
  3. Step 3: Cross multiply
    446.76x = 666.21 × 375.08
  4. Step 4: Simplify right side
    446.76x = 249,882.05
  5. Step 5: Solve for x
    x = 249,882.05/446.76
  6. Step 6: Final answer
    x = 559.32

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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.