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Finding the Fourth Proportional to 417.95, 627.04 and 244.77

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Solution

The fourth proportional to 417.95, 627.04 and 244.77 is: 367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    417.95 : 627.04 = 244.77 : x
  2. Step 2: Convert to fraction form
    417.95/627.04 = 244.77/x
  3. Step 3: Cross multiply
    417.95x = 627.04 × 244.77
  4. Step 4: Simplify right side
    417.95x = 153,476.22
  5. Step 5: Solve for x
    x = 153,476.22/417.95
  6. Step 6: Final answer
    x = 367.21

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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.