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Finding the Fourth Proportional to 341.04, 508.79 and 279.99

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Solution

The fourth proportional to 341.04, 508.79 and 279.99 is: 417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.04 : 508.79 = 279.99 : x
  2. Step 2: Convert to fraction form
    341.04/508.79 = 279.99/x
  3. Step 3: Cross multiply
    341.04x = 508.79 × 279.99
  4. Step 4: Simplify right side
    341.04x = 142,452.17
  5. Step 5: Solve for x
    x = 142,452.17/341.04
  6. Step 6: Final answer
    x = 417.70

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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.