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Finding the Fourth Proportional to 417.07, 626.01 and 302.26

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Solution

The fourth proportional to 417.07, 626.01 and 302.26 is: 453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    417.07 : 626.01 = 302.26 : x
  2. Step 2: Convert to fraction form
    417.07/626.01 = 302.26/x
  3. Step 3: Cross multiply
    417.07x = 626.01 × 302.26
  4. Step 4: Simplify right side
    417.07x = 189,216.46
  5. Step 5: Solve for x
    x = 189,216.46/417.07
  6. Step 6: Final answer
    x = 453.68

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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.