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Finding the Fourth Proportional to 341.94, 508.79 and 340.79

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Solution

The fourth proportional to 341.94, 508.79 and 340.79 is: 507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.94 : 508.79 = 340.79 : x
  2. Step 2: Convert to fraction form
    341.94/508.79 = 340.79/x
  3. Step 3: Cross multiply
    341.94x = 508.79 × 340.79
  4. Step 4: Simplify right side
    341.94x = 173,386.30
  5. Step 5: Solve for x
    x = 173,386.30/341.94
  6. Step 6: Final answer
    x = 507.07

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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.