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Finding the Fourth Proportional to 341.50, 509.40 and 335.92

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Solution

The fourth proportional to 341.50, 509.40 and 335.92 is: 501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.50 : 509.40 = 335.92 : x
  2. Step 2: Convert to fraction form
    341.50/509.40 = 335.92/x
  3. Step 3: Cross multiply
    341.50x = 509.40 × 335.92
  4. Step 4: Simplify right side
    341.50x = 171,117.65
  5. Step 5: Solve for x
    x = 171,117.65/341.50
  6. Step 6: Final answer
    x = 501.08

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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.