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Finding the Fourth Proportional to 317.17, 476.06 and 297.28

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Solution

The fourth proportional to 317.17, 476.06 and 297.28 is: 446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.17 : 476.06 = 297.28 : x
  2. Step 2: Convert to fraction form
    317.17/476.06 = 297.28/x
  3. Step 3: Cross multiply
    317.17x = 476.06 × 297.28
  4. Step 4: Simplify right side
    317.17x = 141,519.25
  5. Step 5: Solve for x
    x = 141,519.25/317.17
  6. Step 6: Final answer
    x = 446.19

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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.